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  • Question 1 - A middle-aged man is brought to the hospital following a seizure. He confesses...

    Incorrect

    • A middle-aged man is brought to the hospital following a seizure. He confesses to consuming at least a bottle of whiskey every day. He claims to have stopped drinking two days ago due to financial constraints. In the past, he has experienced seizures after quitting alcohol. He expresses a desire to quit drinking permanently and is admitted for a detoxification program and iv thiamine. His blood test reveals AST 190 U/L and ALT-68 U/L. What is the most likely outcome of his serum immunology screening?

      Your Answer:

      Correct Answer: Markedly raised IgA

      Explanation:

      Immunoglobulin Levels and Liver Disease: What to Look For

      Immunoglobulin levels can provide important clues in the diagnosis of liver disease. In alcoholic hepatitis, there is a markedly raised IgA, along with mildly elevated IgG and IgM. Chronic active hepatitis and IgA nephropathy can also present with raised IgA. On the other hand, autoimmune disorders, chronic diarrhea, and respiratory infections are associated with low IgA levels.

      A raised IgM may indicate primary biliary cholangitis, Waldenström’s macroglobulinemia, or an acute response to infection. Meanwhile, a markedly raised IgE is more likely to suggest non-liver-related diseases such as atopic dermatitis, psoriasis, asthma, allergic bronchopulmonary aspergillosis (ABPA), and parasitic infection. Selective IgM deficiency, a rare congenital immunodeficiency, is associated with severe bacterial infections in childhood.

      In addition to immunoglobulin levels, other liver function tests can help in the diagnosis of liver disease. In alcoholic liver disease, AST is often more than twice the ALT, and hyperbilirubinemia is common. An ALT level of >300 U/l may indicate an alternative cause for the liver dysfunction. GGT and ALP are also typically elevated in liver disease. By considering all these factors together, healthcare providers can arrive at a more accurate diagnosis and provide appropriate treatment.

    • This question is part of the following fields:

      • Gastroenterology And Hepatology
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  • Question 2 - A 35-year-old man with a history of Crohn’s disease presents to the clinic...

    Incorrect

    • A 35-year-old man with a history of Crohn’s disease presents to the clinic with worsening abdominal pain and bloody diarrhoea. He has undergone multiple surgical procedure in the past for a severe flare-up and now takes 10 mg of prednisolone daily for his condition.
      On examination, he appears fatigued and uncomfortable. His abdomen is tender to palpation and there is evidence of inflammation on rectal exam.
      Investigations reveal the following:

      Haemoglobin (Hb) 90 g/l 130–180 g/l
      White cell count (WCC) 12.5 × 109/l 4.0–11.0 × 109/l
      Platelets (PLT) 200 × 109/l 150–400 × 109/l
      Sodium (Na+) 137 mmol/l 135–145 mmol/l
      Potassium (K+) 3.8 mmol/l 3.5–5.0 mmol/l
      Creatinine (Cr) 80 µmol/l 50–120 µmol/l
      Mean corpuscular volume (MCV) 92 fl 76–98 fl
      Erythrocyte sedimentation rate (ESR) 54 mm/hour < 10mm/hour
      Thiopurine methyl-transferase (TPMT) Activity normal
      What is the most appropriate course of action for this patient?

      Your Answer:

      Correct Answer: Infliximab

      Explanation:

      Crohn’s disease is a chronic inflammatory condition that affects the gastrointestinal tract. When other interventions fail, anti-TNF therapy with infliximab may be an option, especially in cases of fistulating disease. However, before starting this therapy, it is important to exclude tuberculosis. Methotrexate is another option for patients with steroid-resistant disease who cannot take azathioprine, but infliximab is a better choice for those with fistulating disease. Surgery should be avoided if possible due to the high recurrence rate of Crohn’s disease and its involvement of both the large and small bowel. While elemental diet has shown mixed results in improving symptoms and disease activity, azathioprine is not recommended in patients with low TMPT activity due to the risk of mercaptopurine toxicity-induced bone marrow suppression.

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      • Gastroenterology And Hepatology
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  • Question 3 - A 20-year-old woman with type 1 diabetes presents with chronic diarrhoea and weight...

    Incorrect

    • A 20-year-old woman with type 1 diabetes presents with chronic diarrhoea and weight loss. She reports passing large volumes of watery stools at least four times a day without mucous, blood or abdominal pain. Despite having a good appetite, she has become very slim. Her blood tests reveal a high HbA1c level and low potassium levels. All other tests, including B12, folate, calcium, erythrocyte sedimentation rate, C-reactive protein and thyroid function, are normal. What is the most likely cause of her diarrhoea?

      Your Answer:

      Correct Answer: Laxative abuse

      Explanation:

      Laxative or Purgative Abuse in Young Female Patients

      Laxative or purgative abuse is a common issue among young female patients who complain of chronic diarrhea. The diarrhea is usually high in volume, and patients often have low serum potassium levels. In some cases, patients may also have a high HbA1c, indicating poor diabetic control. This may be due to an attempt to control weight by manipulating insulin dosages.

      Bile salt malabsorption can also cause large volume watery diarrhea, but it is unlikely without a history of terminal ileal, biliary, or pancreatic disease. Diabetic autonomic neuropathy of the gut is rare without other evidence of diabetic complications, such as peripheral neuropathy, retinopathy, and nephropathy.

      Small bowel bacterial overgrowth can lead to malabsorption and steatorrhea in patients with risk factors for its development. Coeliac disease is more common in patients with autoimmune conditions, such as type 1 diabetes, but it causes malabsorption, which is not evident in this case. Undiagnosed coeliac disease in adults rarely presents with profuse diarrhea and metabolic disturbance.

      In summary, laxative or purgative abuse is a common issue among young female patients with chronic diarrhea. Other potential causes, such as bile salt malabsorption, diabetic autonomic neuropathy of the gut, small bowel bacterial overgrowth, and coeliac disease, should also be considered and ruled out through proper diagnosis and testing.

    • This question is part of the following fields:

      • Gastroenterology And Hepatology
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  • Question 4 - A 67-year-old woman presents to the gastroenterology clinic with ongoing iron deficiency anaemia....

    Incorrect

    • A 67-year-old woman presents to the gastroenterology clinic with ongoing iron deficiency anaemia. Despite two colonoscopies and an upper GI endoscopy, no significant lesion has been found and her haemoglobin levels continue to decrease despite iron replacement therapy. During examination, her blood pressure is 140/100 mmHg, her pulse is regular at 80 beats per minute, and she appears pale. An ejection systolic murmur is also noted. What is the most suitable approach to investigate her condition?

      Your Answer:

      Correct Answer: Capsule endoscopy

      Explanation:

      When it comes to detecting colorectal cancer, conventional endoscopy is the most sensitive method, followed by CT colonoscopy and labelled white cell scan. However, CT colonoscopy has the advantage of being less invasive and has a higher chance of detecting previously undetected lesions. Labelled white cell scan is particularly useful for detecting large volume bleeding.

      Understanding Angiodysplasia: A Vascular Deformity of the Gastrointestinal Tract

      Angiodysplasia is a medical condition characterized by a vascular deformity in the gastrointestinal tract, which can lead to bleeding and iron deficiency anemia. This condition is commonly observed in elderly patients and is often associated with aortic stenosis, although this is still a topic of debate among medical professionals.

      To diagnose angiodysplasia, doctors may perform a colonoscopy or mesenteric angiography if the patient is acutely bleeding. Once diagnosed, the condition can be managed through various treatments, including endoscopic cautery or argon plasma coagulation. Antifibrinolytics such as Tranexamic acid and oestrogens may also be used to manage the symptoms of angiodysplasia.

      In summary, angiodysplasia is a vascular deformity that can cause bleeding and anemia in the gastrointestinal tract. While it is commonly seen in elderly patients and may be associated with aortic stenosis, it can be managed through various treatments such as endoscopic cautery, antifibrinolytics, and oestrogens. Early diagnosis and treatment can help prevent complications and improve the patient’s quality of life.

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      • Gastroenterology And Hepatology
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  • Question 5 - A 20-year-old female patient complains of fever and jaundice. Upon imaging, a choledochal...

    Incorrect

    • A 20-year-old female patient complains of fever and jaundice. Upon imaging, a choledochal cyst that was previously undetected is discovered. The cyst is described as a fusiform dilation of the common hepatic duct. According to the Todani classification, what type of choledochal cyst does this represent?

      Your Answer:

      Correct Answer: Type 1

      Explanation:

      Choledochal Cysts and the Todani Classification

      Choledochal cysts are typically identified in newborns, but some cases may not be diagnosed until adulthood. The Todani classification system is used to categorize these cysts into five types. Type 1 involves a dilation of the common hepatic duct, while Type 2 is characterized by a diverticulum of the same duct. Type 3 is known as a choledochcele, while Type 4 describes an extension of the cyst into the intrahepatic ducts. Type 5 is the least common and involves cystic disease only within the liver.

      Type 1 is the most frequently occurring type of choledochal cyst, followed by Type 4. To prevent complications such as recurrent cholangitis, pancreatitis, and malignant changes, surgical resection and reconstruction are typically recommended. By the Todani classification system, medical professionals can better diagnose and treat choledochal cysts in patients of all ages.

    • This question is part of the following fields:

      • Gastroenterology And Hepatology
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  • Question 6 - A 38-year-old man presents to the emergency department with bleeding from hair follicles...

    Incorrect

    • A 38-year-old man presents to the emergency department with bleeding from hair follicles on his head. He has also been experiencing a loss of appetite and weight loss. The patient is currently homeless after being laid off from his job a year ago. He consumes 30-units of hard liquor per week and is alcohol dependent. However, he is not confused.

      The patient has a medical history of tuberculosis, which he completed treatment for six months ago. The treatment ended two months ago. Upon examination, the patient appears disheveled with poor oral hygiene and gingivitis. He has global muscle weakness rated at 4+/5 on the MRC scale, but there is no sensory impairment. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Scurvy

      Explanation:

      The likely diagnosis for this homeless and alcohol-dependent patient with a poor diet is scurvy, as indicated by bleeding hair follicles and gingivitis. Pellagra, beriberi, and Wernicke-Korsakoff syndrome are less likely based on the symptoms described, and TB recurrence is also unlikely due to the absence of cough, haemoptysis, and night sweats.

      Vitamin C, also known as ascorbic acid, is an essential nutrient found in various fruits and vegetables such as citrus fruits, tomatoes, potatoes, and leafy greens. When there is a deficiency of this vitamin, it can lead to a condition called scurvy. This deficiency can cause impaired collagen synthesis and disordered connective tissue as ascorbic acid is a cofactor for enzymes used in the production of proline and lysine. Scurvy is commonly associated with severe malnutrition, drug and alcohol abuse, and poverty with limited access to fruits and vegetables.

      The symptoms and signs of scurvy include follicular hyperkeratosis and perifollicular haemorrhage, ecchymosis, easy bruising, poor wound healing, gingivitis with bleeding and receding gums, Sjogren’s syndrome, arthralgia, oedema, impaired wound healing, and generalised symptoms such as weakness, malaise, anorexia, and depression. It is important to consume a balanced diet that includes sources of vitamin C to prevent scurvy and maintain overall health.

    • This question is part of the following fields:

      • Gastroenterology And Hepatology
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  • Question 7 - A 50-year-old woman presents to gastroenterology with a six-month history of chronic diarrhoea,...

    Incorrect

    • A 50-year-old woman presents to gastroenterology with a six-month history of chronic diarrhoea, bloating, flatulence, and occasional abdominal pain. She has a medical history of limited systemic sclerosis but takes no regular medications and has not recently used antibiotics. On examination, she has mild skin thickening on her hands, and her abdominal exam is unremarkable. Her lab results show a hemoglobin level of 122 g/L, platelets of 189 * 109/L, WBC of 4.2 * 109/L, Na+ of 137 mmol/L, K+ of 4.2 mmol/L, urea of 5.2 mmol/L, creatinine of 88 µmol/L, and CRP of 4 mg/L (< 5). What is the most appropriate diagnostic test for her likely diagnosis?

      Your Answer:

      Correct Answer: Hydrogen breath testing

      Explanation:

      The appropriate first line test for diagnosing small bowel overgrowth syndrome in a patient presenting with chronic diarrhoea, bloating, flatulence, and abdominal pain is hydrogen breath testing. This condition is common in systemic sclerosis, and the symptoms described strongly suggest its presence. Hydrogen breath testing detects excess bacteria in the small bowel by measuring the increased hydrogen in the breath of affected individuals resulting from the conversion of sugar by the bacteria before absorption.

      SeHCAT is an incorrect option as it is a scan used to diagnose bile acid malabsorption, which is not as strongly associated with systemic sclerosis as small bowel overgrowth syndrome. Additionally, it often causes steatorrhoea, which is not present in this case.

      Oesophageal manometry is also an incorrect option as it is used to diagnose gastro-oesophageal reflux disease, which is not associated with diarrhoea.

      Serology is another incorrect option as it is used to diagnose some Helicobacter pylori infections, which do not typically present with diarrhoea.

      Small bowel bacterial overgrowth syndrome (SBBOS) is a condition where there is an excessive amount of bacteria in the small bowel, leading to gastrointestinal symptoms. This disorder is commonly seen in neonates with congenital gastrointestinal abnormalities, scleroderma, and diabetes mellitus. The symptoms of SBBOS are similar to those of irritable bowel syndrome, including chronic diarrhea, bloating, flatulence, and abdominal pain.

      To diagnose SBBOS, a hydrogen breath test is commonly used. In some cases, small bowel aspiration and culture may be performed, but this is less common due to its invasive nature and difficulty in reproducing results. Clinicians may also give a course of antibiotics as a diagnostic trial. The management of SBBOS involves correcting the underlying disorder and antibiotic therapy. Rifaximin is the preferred treatment due to its relatively low resistance, but co-amoxiclav or metronidazole can also be effective in most patients.

    • This question is part of the following fields:

      • Gastroenterology And Hepatology
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  • Question 8 - A 50-year-old man presents to the emergency department with shortness of breath.

    He...

    Incorrect

    • A 50-year-old man presents to the emergency department with shortness of breath.

      He reports several months of worsening diarrhoea and is now passing over 10 watery motions per day.

      On examination, he is dyspnoeic at rest. The blood pressure is 104 / 77 mmHg and the pulse rate is 90 bpm and regular. Oxygen saturations are 93% on room air. Chest auscultation reveals widespread mild polyphonic wheeze and bibasal crackles. Jugular venous pressure is elevated and C-V waves are present. There is a pansystolic murmur at the left lower sternal border louder in inspiration. There is a palpable liver edge 2 cm below the costal margin.

      What is the most likely underlying heart valve pathology?

      Your Answer:

      Correct Answer: Fibrous endocardial thickening

      Explanation:

      Carcinoid syndrome may be suspected in patients with a prolonged history of diarrhoea and symptoms consistent with tricuspid regurgitation. This syndrome is caused by the secretion of serotonin from carcinoid tumours and can lead to cardiac involvement.

      Most patients with cardiac involvement experience right heart failure due to severe dysfunction of the tricuspid and/or pulmonary valves. Carcinoid heart disease is characterized by fibrous tissue plaques on the endocardium, which can affect various parts of the heart and surrounding vessels.

      Non-bacterial thrombotic endocarditis (NBTE), previously known as marantic endocarditis, is associated with sterile vegetations. Infective endocarditis is linked to infected platelet/fibrin deposits. Annular dilatation is associated with functional regurgitation caused by a distorted or dilated ventricle that displaces the papillary muscles.

      Carcinoid tumours are a type of cancer that can cause a condition called carcinoid syndrome. This syndrome typically occurs when the cancer has spread to the liver and releases serotonin into the bloodstream. In some cases, it can also occur with lung carcinoid tumours, as the mediators are not cleared by the liver. The earliest symptom of carcinoid syndrome is often flushing, but it can also cause diarrhoea, bronchospasm, hypotension, and right heart valvular stenosis (or left heart involvement in bronchial carcinoid). Additionally, other molecules such as ACTH and GHRH may be secreted, leading to conditions like Cushing’s syndrome. Pellagra, a rare condition caused by a deficiency in niacin, can also develop as the tumour diverts dietary tryptophan to serotonin.

      To investigate carcinoid syndrome, doctors may perform a urinary 5-HIAA test or a plasma chromogranin A test. Treatment for the condition typically involves somatostatin analogues like octreotide, which can help manage symptoms like diarrhoea. Cyproheptadine may also be used to alleviate diarrhoea. Overall, early detection and treatment of carcinoid tumours can help prevent the development of carcinoid syndrome and improve outcomes for patients.

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      • Gastroenterology And Hepatology
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  • Question 9 - A 75-year-old woman presents with two episodes of 'black watery diarrhoea' and a...

    Incorrect

    • A 75-year-old woman presents with two episodes of 'black watery diarrhoea' and a loss of consciousness for 5 minutes in the ambulance on the way to the hospital. She has a medical history of hypertension, arthritis, and gastritis. On examination, she is alert with a heart rate of 80 bpm, blood pressure of 126/76 mmHg, and respiratory rate of 18 breaths per minute. Her abdomen is soft with a mildly tender epigastrium. Rectal examination reveals no melena or bleeding. Laboratory results show normal INR, CRP, and liver function tests, but a low hemoglobin level of 116 g/l.

      Based on the NICE guidelines, when should an oesophageal-gastro-duodenoscopy (OGD) be performed for this patient?

      Your Answer:

      Correct Answer: Within 24 hours

      Explanation:

      The patient is displaying symptoms of an upper gastrointestinal (GI) bleed and has a Blatchford score of 5, indicating a high-risk bleed that may require medical intervention such as transfusion, endoscopy, or surgery. Despite this, the patient is stable and does not appear to be actively bleeding upon examination.

      As per NICE guidelines, unstable patients with severe acute upper GI bleeding should receive endoscopy immediately after resuscitation, while all other patients should receive endoscopy within 24 hours of admission.

      The patient should be given fluid resuscitation, and proton pump inhibitors should be avoided until after the endoscopy, unless a variceal bleed is suspected. If the patient is taking aspirin, clopidogrel, or other anti-platelet agents, these medications should also be discontinued.

      Acute upper gastrointestinal bleeding is a common and significant medical issue that can be caused by various conditions, with oesophageal varices and peptic ulcer disease being the most common. The main symptoms include haematemesis (vomiting of blood), melena (passage of altered blood per rectum), and a raised urea level due to the protein meal of the blood. The diagnosis can be determined by identifying the specific features associated with a particular condition, such as stigmata of chronic liver disease for oesophageal varices or abdominal pain for peptic ulcer disease.

      The differential diagnosis for acute upper gastrointestinal bleeding includes oesophageal, gastric, and duodenal causes. Oesophageal varices may present with a large volume of fresh blood, while gastric ulcers may cause low volume bleeds that present as iron deficiency anaemia. Duodenal ulcers are usually posteriorly sited and may erode the gastroduodenal artery. Aorto-enteric fistula is a rare but important cause of major haemorrhage associated with high mortality in patients with previous abdominal aortic aneurysm surgery.

      The management of acute upper gastrointestinal bleeding involves risk assessment using the Glasgow-Blatchford score, which helps clinicians decide whether patients can be managed as outpatients or not. Resuscitation involves ABC, wide-bore intravenous access, and platelet transfusion if actively bleeding platelet count is less than 50 x 10*9/litre. Endoscopy should be offered immediately after resuscitation in patients with a severe bleed, and all patients should have endoscopy within 24 hours. Treatment options include repeat endoscopy, interventional radiology, and surgery for non-variceal bleeding, while terlipressin and prophylactic antibiotics should be given to patients with variceal bleeding. Band ligation should be used for oesophageal varices, and injections of N-butyl-2-cyanoacrylate for patients with gastric varices. Transjugular intrahepatic portosystemic shunts (TIPS) should be offered if bleeding from varices is not controlled with the above measures.

    • This question is part of the following fields:

      • Gastroenterology And Hepatology
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  • Question 10 - A 14-year-old boy is referred by his pediatrician with unintentional weight loss and...

    Incorrect

    • A 14-year-old boy is referred by his pediatrician with unintentional weight loss and frequent nausea. During the appointment, it becomes evident that he has a distorted perception of his body image.
      What would be the most effective way to evaluate his nutritional status?

      Your Answer:

      Correct Answer: Mid-arm muscle circumference and skin-fold thickness

      Explanation:

      Anthropometry is a useful tool for assessing body composition and nutritional status. Mid-arm muscle circumference and skin-fold thickness are two measurements that can be used to evaluate muscle and fat mass. However, the mid-thigh:hip ratio is not a valid measurement. Serum albumin levels can be affected by various medical conditions and should not be relied upon as a sole indicator of nutritional status. The FSH:oestrogen ratio is not commonly used for nutritional assessment, although amenorrhea may be associated with anorexia nervosa. The body mass index (BMI) is a commonly used measurement for stratifying patients based on weight and height. However, it does not take into account differences between fat and non-fat mass or changes in body composition with age. Overall, a combination of anthropometric measurements can provide a more comprehensive assessment of nutritional status.

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      • Gastroenterology And Hepatology
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  • Question 11 - A 54-year-old man has undergone a colonoscopy due to per rectal bleeding and...

    Incorrect

    • A 54-year-old man has undergone a colonoscopy due to per rectal bleeding and was found to have two small adenomas measuring less than 10mm. He has no significant medical history and no family history of colorectal cancer. What is the most appropriate approach for colonoscopic monitoring in this individual?

      Your Answer:

      Correct Answer: Offer colonoscopy at 5 years

      Explanation:

      The recommended frequency of colonoscopic surveillance varies based on the patient’s level of risk, which can be categorized as low, intermediate, or high. For instance, a patient who has two small adenomas measuring less than 10mm is considered to be at low risk for developing colorectal cancer and should undergo a repeat colonoscopy after five years. Patients at intermediate risk should have a colonoscopy every three years, while those at high risk should have one every year.

      Diagnosis and Staging of Colorectal Cancer

      Diagnosis of colorectal cancer is typically done through a colonoscopy, which is considered the gold standard as long as it is complete and provides good mucosal visualization. Other options for diagnosis include double-contrast barium enema and CT colonography. Once a malignant diagnosis is made, patients will undergo staging using chest, abdomen, and pelvic CT scans. Patients with rectal cancer will also undergo evaluation of the mesorectum with pelvic MRI scanning. For examination purposes, the Dukes and TNM systems are preferred.

      Tumour Markers in Colorectal Cancer

      Carcinoembryonic antigen (CEA) is the main tumour marker in colorectal cancer. While not all tumours secrete CEA, it is still used as a marker for disease burden and is once again being used routinely in follow-up. However, it is important to note that CEA levels may also be raised in conditions such as IBD.

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      • Gastroenterology And Hepatology
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  • Question 12 - A 16-year-old boy is brought to the Emergency department by his parents. He...

    Incorrect

    • A 16-year-old boy is brought to the Emergency department by his parents. He has no past medical history of note.

      In his parents' absence, he reveals that he took an overdose of paracetamol after a fight with his girlfriend, but did not intend to end his life.

      What is the most reliable indicator of the extent of liver damage?

      Your Answer:

      Correct Answer: INR

      Explanation:

      Management of Paracetamol Overdose

      Paracetamol overdose is a common occurrence that requires prompt management. The first step is to check the paracetamol level four hours after ingestion and compare it against the Rumack-Matthew nomogram. If a large dose (more than 7.5 g) was ingested and/or the patient presents within eight hours of ingestion, gastric lavage may be necessary, and oral charcoal should be considered. N-acetylcysteine or methionine should be administered, and bowel movements should be monitored hourly.

      It is crucial to check the INR 12 hourly and look out for signs of poor prognosis, which may indicate the need for transfer to a liver unit. These signs include an INR greater than 2.0 within 48 hours or greater than 3.5 within 72 hours of ingestion, creatinine greater than 200 µmol/L, blood pH less than 7.3, signs of encephalopathy, and hypotension (SBP less than 80 mmHg).

      It is important to note that liver enzymes are not a reliable indicator of the degree of hepatocellular damage. Instead, synthetic function, as determined by INR or PT, is the best indicator. Proper management of paracetamol overdose can prevent severe liver damage and improve patient outcomes.

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      • Gastroenterology And Hepatology
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  • Question 13 - A 26-year-old female presents to the gastroenterology ward with a one-week history of...

    Incorrect

    • A 26-year-old female presents to the gastroenterology ward with a one-week history of severe bloody diarrhoea and abdominal cramps. On the second day of admission, a flexible sigmoidoscopy is performed, and a diagnosis of ulcerative colitis is made. The patient is started on intravenous steroids and mesalazine enemas, along with intravenous fluid and electrolyte replacement. Low molecular weight heparin and venous thromboembolism prophylaxis are also initiated. A negative pregnancy test is obtained on admission, and the gastroenterology team reviews the patient daily.

      On day three of therapy, the patient continues to have at least 10 bowel movements per day. Physical examination reveals a diffusely tender abdomen that is soft to the touch. Laboratory results show:

      Hb 92 g/l
      Platelets 220 * 109/l
      WBC 15.2 * 109/l

      Na+ 145 mmol/l
      K+ 3.4 mmol/l
      Urea 9 mmol/l
      Creatinine 150 µmol/l
      CRP 121 mg/L

      What is the most appropriate next step in management?

      Your Answer:

      Correct Answer: Urgent surgical review, intravenous ciclosporin 2 mg/kg/day

      Explanation:

      Request for immediate administration of anti-TNF (tumor necrosis factor) treatment

      Ulcerative colitis flares can occur without any identifiable trigger, but there are several factors that are often associated with them. These include stress, certain medications such as NSAIDs and antibiotics, and cessation of smoking. Flares are typically categorized as mild, moderate, or severe based on the number of stools a person has per day, the presence of blood in the stools, and the level of systemic disturbance. Mild flares involve fewer than four stools daily with or without blood and no systemic disturbance. Moderate flares involve four to six stools a day with minimal systemic disturbance. Severe flares involve more than six stools a day with blood and evidence of systemic disturbance such as fever, tachycardia, abdominal tenderness, distension, reduced bowel sounds, anemia, or hypoalbuminemia. Patients with severe disease should be admitted to the hospital.

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      • Gastroenterology And Hepatology
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  • Question 14 - A 36 year-old nulliparous woman, who is at 35 weeks gestation, presents with...

    Incorrect

    • A 36 year-old nulliparous woman, who is at 35 weeks gestation, presents with a 10-hour history of fatigue, nausea and vomiting. She has not eaten for the past 24 hours and says that she feels a little dizzy. She describes no blood in her vomit and has had no recent changes in her bowel habit. She has no past medical history of note and she does not currently take any regular medication. She has no family history of note and does not smoke or drink any alcohol.

      On examination she appears to be very anxious and abdominal exam reveals right upper quadrant and epigastric pain on deep palpation. There is no organomegaly and bowel sounds are present. The baby is moving normally.

      She has a temperature of 37.5oC, heart rate of 85 beats per minute, blood pressure of 135/80 mmHg, oxygen saturation of 99% and a respiratory rate of 18 breaths per minute.

      Blood tests reveal:

      Hb 10.5 g/dL
      Platelets 82 * 109/l
      WBC 12.9 * 109/l
      Na+ 134 mmol/l
      K+ 3.9 mmol/l
      Urea 7.2 mmol/l
      Creatinine 95 µmol/l
      CRP 20 mg/l
      ESR 8 mm/hr
      Bilirubin 90 µmol/l
      ALP 140 u/l
      ALT 431 u/l
      γGT 45 u/l
      Albumin 30 g/l
      Prothrombin time (PT) 23 seconds

      What is the most likely diagnosis?

      Your Answer:

      Correct Answer: Fatty liver of pregnancy

      Explanation:

      The most probable diagnosis for this case is fatty liver of pregnancy, which is characterized by nausea, vomiting, epigastric pain, and right upper quadrant abdominal pain. This condition typically affects pregnant women between 28-42 weeks of gestation, unlike hyperemesis gravidarum which occurs in early pregnancy.

      There is a risk of developing disseminated intravascular coagulation (DIC) with fatty liver of pregnancy, and the patient is showing signs of starting to develop DIC, such as low platelet count and elevated prothrombin time. Intrahepatic cholestasis of pregnancy is mainly characterized by fatigue and itching, while ascending cholangitis presents as a triad of fever, right upper quadrant pain, and jaundice. Gastroenteritis does not typically cause liver function test abnormalities as seen in this case.

      Jaundice During Pregnancy

      During pregnancy, jaundice can occur due to various reasons. One of the most common liver diseases during pregnancy is intrahepatic cholestasis of pregnancy, which affects around 1% of pregnancies and is usually seen in the third trimester. Symptoms include itching, especially in the palms and soles, and raised bilirubin levels. Ursodeoxycholic acid is used for symptomatic relief, and women are typically induced at 37 weeks. However, this condition can increase the risk of stillbirth.

      Acute fatty liver of pregnancy is a rare complication that can occur in the third trimester or immediately after delivery. Symptoms include abdominal pain, nausea, vomiting, headache, jaundice, and hypoglycemia. ALT levels are typically elevated. Supportive care is the initial management, and delivery is the definitive management once the patient is stabilized.

      Gilbert’s and Dubin-Johnson syndrome may also be exacerbated during pregnancy. Additionally, HELLP syndrome, which stands for Haemolysis, Elevated Liver enzymes, Low Platelets, can also cause jaundice during pregnancy. It is important to monitor liver function tests and seek medical attention if any symptoms of jaundice occur during pregnancy.

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  • Question 15 - A 25-year-old man presents with increasing right upper quadrant pain two weeks after...

    Incorrect

    • A 25-year-old man presents with increasing right upper quadrant pain two weeks after an emergency open appendicectomy. The pain has been constant for 5 days and is not radiating. He feels unwell, has been sweating profusely, and has vomited twice. On examination, he appears mildly jaundiced with tenderness and guarding in the right upper quadrant. His observations show a high heart rate and low blood pressure. Blood tests show elevated levels of bilirubin, ALP, and ALT. What is the most likely diagnosis?

      Your Answer:

      Correct Answer: Liver abscess

      Explanation:

      The patient is experiencing tenderness in the right upper quadrant, and has a history of elevated liver function tests and recent appendicitis, which may indicate the presence of a liver abscess.

      Pyogenic Liver Abscess: Causes and Treatment

      Pyogenic liver abscess is a condition characterized by the formation of pus-filled pockets in the liver. The most common bacteria responsible for this condition are Staphylococcus aureus in children and Escherichia coli in adults. The treatment for pyogenic liver abscess involves drainage, usually through a percutaneous procedure, and antibiotics. The recommended antibiotic regimen includes amoxicillin, ciprofloxacin, and metronidazole. However, if the patient is allergic to penicillin, ciprofloxacin and clindamycin are prescribed instead.

      The image used in this article is a CT scan showing a pyogenic liver abscess in the right lobe of the liver.

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      • Gastroenterology And Hepatology
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  • Question 16 - A 35-year-old woman presents to the Emergency Department with fever, nausea, and pain...

    Incorrect

    • A 35-year-old woman presents to the Emergency Department with fever, nausea, and pain in the right upper quadrant. She recently returned from a trip to India where she volunteered at a rural health clinic. She has a history of occasional alcohol use and does not smoke. On examination, she has a temperature of 38.5 ºC and tenderness over the right upper quadrant. Ultrasound reveals a 7 cm unilocular, unechoic cystic lesion with a double-line sign in the right lobe of her liver. Serology for Echinococcus granulosus is positive (1:320), and you diagnose her with hydatid liver disease. What is the optimal management plan for this patient?

      Your Answer:

      Correct Answer:

      Explanation:

      Management of Hydatid Liver Disease: Percutaneous Aspiration with Adjunctive Albendazole

      Hydatid liver disease is caused by the tapeworm Echinococcus granulosis and is most common in certain regions such as the Middle East and South America. Diagnosis is made through Echinococcus ELISA, ultrasound, and CT showing characteristic daughter cysts. Management options include observation, drug therapy with albendazole, percutaneous aspiration via the ‘PAIR’ technique, surgical resection, or a combination of approaches. For a single cyst of >5 cm, the WHO recommendation for treatment is percutaneous aspiration using the ‘PAIR’ procedure, with adjunctive albendazole. Referral for liver transplant is not necessary for a single hydatid cyst. Surgery is the treatment of choice for complicated cysts or cysts with many daughter cysts. Mebendazole is used only in the absence of albendazole. Hydatid cysts are staged on the basis of the WHO ultrasound-based cyst classification into ‘active’, ‘transitional’ and ‘inactive’. The ultrasonographic appearance of the cyst in this patient’s case suggests that it is active and should be treated accordingly.

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      • Gastroenterology And Hepatology
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  • Question 17 - A 50-year-old known alcoholic liver disease patient presents to Accident and Emergency with...

    Incorrect

    • A 50-year-old known alcoholic liver disease patient presents to Accident and Emergency with profuse haematemesis. He has been consuming 6 litres of cider per day for the past week. He denies any abdominal pain or melena. Upon examination, he displays peripheral stigmata of chronic liver disease and appears very pale. His abdomen is soft and there is no tenderness or hepatosplenomegaly. His blood pressure is 90/56 mmHg and he is tachycardic at 120/min. His last OGD 6 months ago showed 3 columns of small varices.

      The patient's blood results are as follows:

      - Hb 58 g/l
      - Platelets 109 * 109/l
      - WBC 8.4 * 109/l
      - INR 1.6
      - PT 19 seconds

      - Na+ 144 mmol/l
      - K+ 4.9 mmol/l
      - Urea 18.1 mmol/l
      - Creatinine 97 µmol/l
      - CRP 5 mg/l

      - Bilirubin 87 µmol/l
      - ALP 189 u/l
      - ALT 71 u/l
      - Albumin 28 g/l

      The patient is transfused 2 units by A&E and given 2 units of Fresh Frozen plasma to correct his coagulopathy. After discussion with the on-call Gastroenterologist, he is given Tazocin 4.5g TDS and Terlipressin 1 mg QDS. He undergoes an OGD which reveals bleeding oesophageal varices. The endoscopist applies 5 bands to the varices but is unable to stop the bleeding. The patient is returned to the ward where he continues to experience haematemesis with low blood pressure and ongoing tachycardia.

      What is the next step in managing this patient?

      Your Answer:

      Correct Answer: Sengstaken Blakemore tube

      Explanation:

      This man is experiencing a significant bleed from his varices, which is evident from his low hemoglobin levels and high urea levels. The initial treatment he is receiving is appropriate, and if the bleeding cannot be stopped, the next course of action will depend on the patient’s condition. If he is stable, a repeat OGD can be performed to try and stop the bleeding. However, if he is unstable, the varices must be tamponaded with a Sengstaken Blakemore tube while the patient is being resuscitated. TIPSS may be a potential treatment option for this patient, but it would typically follow the insertion of a Sengstaken tube.

      Variceal haemorrhage is a serious condition that requires prompt and effective management. The initial treatment involves resuscitation of the patient, correction of clotting abnormalities, and administration of vasoactive agents such as terlipressin or octreotide. Prophylactic IV antibiotics are also recommended to reduce mortality in patients with liver cirrhosis. Endoscopic variceal band ligation is the preferred method for controlling bleeding, and the use of a Sengstaken-Blakemore tube or Transjugular Intrahepatic Portosystemic Shunt (TIPSS) may be necessary if bleeding cannot be controlled. However, TIPSS can lead to exacerbation of hepatic encephalopathy, which is a common complication.

      To prevent variceal haemorrhage, prophylactic measures such as propranolol and endoscopic variceal band ligation (EVL) are recommended. Propranolol has been shown to reduce rebleeding and mortality compared to placebo. EVL is superior to endoscopic sclerotherapy and should be performed at two-weekly intervals until all varices have been eradicated. Proton pump inhibitor cover is given to prevent EVL-induced ulceration. NICE guidelines recommend offering endoscopic variceal band ligation for the primary prevention of bleeding for people with cirrhosis who have medium to large oesophageal varices.

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      • Gastroenterology And Hepatology
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  • Question 18 - A 35-year-old man presents to the Emergency Department for review. He is experiencing...

    Incorrect

    • A 35-year-old man presents to the Emergency Department for review. He is experiencing increasing difficulty with heartburn and acid reflux. He has tried elevating his head while sleeping, but this has not provided relief. On examination, his blood pressure is 120/80 mmHg and his pulse is 80 bpm and regular. His abdomen appears normal.
      Investigations:
      Investigations Results Normal Values
      Haemoglobin (Hb) 140 g/l 130–170 g/l
      White cell count (WCC) 6.5 × 109/l 4–11 × 109/l
      Platelets (PLT) 200 × 109/l 150–400 × 109/l
      Sodium (Na+) 142 mmol/l 135–145 mmol/l
      Potassium (K+) 4.2 mmol/l 3.5–5.0 mmol/l
      Creatinine 80 µmol/l 60–110 µmol/l
      Glucose 5.0 mmol/l 3.5–5.5 mmol/l
      Urine: Protein negative, blood negative

      What is the most appropriate course of action for this patient?

      Your Answer:

      Correct Answer: Sodium alginate

      Explanation:

      Treatment Options for Reflux Oesophagitis

      Reflux oesophagitis can be a painful and uncomfortable condition, but there are several treatment options available. One such option is sodium alginate, which quickly forms a gel on top of stomach contents, reducing symptoms of reflux for up to four hours. However, overdosing can lead to a significant sodium load, so it’s important to stick to the recommended maximum dose. Lanzoprazole is another option, but it’s typically reserved for those with GERD complications or symptoms that don’t respond to other therapies. Calcium carbonate can help with epigastric pain, but its impact on reflux is limited as it doesn’t form a gel cap. H2 antagonists like cimetidine are often used in pregnancy, but usually only after first-line therapy with sodium alginate. Finally, while sodium bicarbonate can reduce acidity, it’s not the preferred option as it doesn’t form a gel cap like alginate. With these treatment options, patients with reflux oesophagitis can find relief and improve their quality of life.

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      • Gastroenterology And Hepatology
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  • Question 19 - A 73-year-old heavy smoker comes to the clinic complaining of indigestion, which has...

    Incorrect

    • A 73-year-old heavy smoker comes to the clinic complaining of indigestion, which has now progressed to difficulty swallowing, starting with solid foods like toast and now affecting liquids as well. The patient's GP has conducted blood tests that indicate iron deficiency anemia and elevated viscosity. During the examination, the doctor detects palpable lymph nodes in the left supraclavicular fossa and wheezing throughout both lung fields. What would be the preferred diagnostic test for this individual?

      Your Answer:

      Correct Answer:

      Explanation:

      When a patient presents with dysphagia and enlarged left supraclavicular nodes, upper gastrointestinal endoscopy is the investigation of choice. This is because it raises the possibility of upper GI carcinoma, most likely oesophageal. Upper GI endoscopy with biopsy can confirm the diagnosis and provide histological information. Oesophageal carcinoma may be squamous or adenocarcinomas, and risk factors include smoking, alcohol consumption, ingestion of nitrate-containing foods, Plummer–Vinson syndrome, and chronic gastro-oesophageal reflux disease. However, if there is already lymph node enlargement, the patient is unlikely to be a candidate for oesophagectomy. A CT scan of the thorax may demonstrate an oesophageal lesion and surrounding lymphadenopathy, but it is unlikely to detect a small cancer or provide biopsy information. Similarly, a barium swallow may show a stricture but won’t confirm the diagnosis or reveal a histological diagnosis. A chest x-ray is insensitive to demonstrating an underlying oesophageal carcinoma, although it may show evidence of aspiration. Bronchoscopy is not the investigation of choice in this situation, as the predominant symptoms are indigestion and dysphagia. Therefore, upper gastrointestinal endoscopy with biopsy is the most appropriate investigation for dysphagia and enlarged supraclavicular nodes.

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  • Question 20 - A 32-year-old woman presents to the Emergency Department with a four-week history of...

    Incorrect

    • A 32-year-old woman presents to the Emergency Department with a four-week history of increasing frequency of diarrhoea, up to eight times per day. She has noticed blood in her stools over the past few days. She reports a weight loss of 5 kg over the past few months and intermittent night sweats. On examination, her blood pressure is 120/80 mmHg, pulse is 90 bpm and regular. Abdominal examination reveals mild tenderness in the left lower quadrant. Stool cultures taken by her General Practitioner have been negative. Which investigation would be most helpful in establishing a diagnosis?

      Your Answer:

      Correct Answer: Flexible sigmoidoscopy

      Explanation:

      Diagnostic Steps for Chronic Bloody Diarrhoea: Ulcerative Colitis

      Ulcerative colitis is a possible diagnosis to exclude in patients with chronic bloody diarrhoea and negative stool cultures. A flexible sigmoidoscopy with biopsy is the most useful step in establishing the diagnosis, as distal disease is always present. Treatment involves oral and rectal corticosteroids and a 5-ASA compound to achieve remission. Other diagnostic steps, such as an abdominal X-ray, barium enema, hydrogen breath test, and ultrasound scan (USS) abdomen, may be useful in certain situations but are not the primary diagnostic tool for ulcerative colitis. An abdominal X-ray is useful in investigating for toxic megacolon in patients with acute severe colitis. A barium enema is contraindicated in patients with acute severe colitis due to the risk of perforation. A hydrogen breath test is useful in confirming bacterial overgrowth syndrome. An USS abdomen is more useful in investigating hepatobiliary disorders, which are complications in patients with inflammatory bowel disease. Ulcerative colitis is an important risk factor for primary sclerosing cholangitis and gallstone disease.

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  • Question 21 - A 23-year-old teacher presented to the clinic with a complaint of chronic diarrhea...

    Incorrect

    • A 23-year-old teacher presented to the clinic with a complaint of chronic diarrhea for the past year. She reported that her stools were difficult to flush away and floated. She denied any weight loss and maintained her appetite. She had traveled to Blackpool eight months ago. Two months ago, a stool culture revealed Giardia lamblia, and she was treated with oral metronidazole for seven days, but her symptoms did not improve. She had no significant medical history and was not taking any regular medication. Her mother had scleroderma. On examination, she appeared thin but well, with no fever or lymphadenopathy. Her chest was clear, heart sounds were normal, and her abdominal examination, including a per rectal examination, was unremarkable. What would be the most appropriate investigation to perform next?

      Your Answer:

      Correct Answer: Anti-tissue transglutaminase antibodies

      Explanation:

      Possible Causes of Malabsorption and Fat Stools

      The patient’s symptoms suggest malabsorption with fat stools that float, which could be caused by generalised small bowel disease or pancreatic disease. However, there is also a possibility of Giardia infection, which is commonly seen in child care settings and abroad. This infection is faeco-orally transmitted and can be carried without symptoms. Although chronic infection can occur, the patient is generally well and a 7-day course of metronidazole would be curative in at least 90% of cases.

      Further investigation is needed to determine if there is underlying small bowel pathology, such as coeliac disease. A small bowel biopsy would provide a definitive answer, but a serological screening test for coeliac would be the most appropriate next step, as per guidance on the evaluation and diagnosis of Coeliac disease. Upper GI endoscopy and small bowel biopsy can be arranged if necessary.

      It is worth noting that the patient’s mother has scleroderma, but the patient herself does not, making bacterial overgrowth unlikely. Overall, a thorough evaluation is necessary to determine the underlying cause of the patient’s symptoms and provide appropriate treatment.

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  • Question 22 - A new patient comes to your clinic for the first time. Upon reviewing...

    Incorrect

    • A new patient comes to your clinic for the first time. Upon reviewing their medical notes, you discover that they have a history of gastric hamartomas, basal cell carcinomas, mandibular bone cysts, intracranial calcification, and pits on the palms of their hands. What is the most probable diagnosis for this patient?

      Your Answer:

      Correct Answer: Gorlin syndrome

      Explanation:

      Genetic Syndromes and Their Associated Gastrointestinal Manifestations

      Gorlin syndrome, familial adenomatous polyposis (FAP), juvenile polyposis syndrome, Peutz-Jeghers syndrome, and Cowden’s syndrome are all genetic syndromes that have gastrointestinal manifestations. Gorlin syndrome is characterized by gastric hamartomas, basal cell carcinomas, mandibular bone cysts, and intracranial calcification, as well as pits on the palms and soles. FAP is caused by a mutation in the APC gene and is associated with the formation of multiple adenomatous polyps in the colon, which can lead to colon cancer. Juvenile polyposis syndrome is characterized by a tendency to form hamartomatous polyps throughout the GI tract, with an increased risk of colon cancer. Peutz-Jeghers syndrome is characterized by hamartomatous GI polyps and mucocutaneous hyperpigmentation, with an increased risk of stomach and colon cancers. Cowden’s syndrome is characterized by widespread development of hamartomas with mucocutaneous lesions, with an increased risk of breast and thyroid carcinomas and formation of GI hamartomas.

      In summary, these genetic syndromes have varying gastrointestinal manifestations that can lead to an increased risk of cancer. It is important for individuals with a family history of these syndromes to undergo genetic testing and regular screenings to detect any potential gastrointestinal issues early on.

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      • Gastroenterology And Hepatology
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  • Question 23 - A 45-year-old female presents to the clinic with increasing fatigue and itching. She...

    Incorrect

    • A 45-year-old female presents to the clinic with increasing fatigue and itching. She has been undergoing evaluation at a dermatology clinic for dry skin, which has been present for several years and is now accompanied by this new symptom. Upon examination, the patient appears jaundiced with dry skin and hyperpigmentation over the elbows and knees. All observations are within normal range, and her abdominal exam is unremarkable. The patient's previous blood test results show abnormal values for haemoglobin, white cell count, platelet count, total bilirubin, ALT, and ALP, with positive results for antinuclear, anti-mitochondrial, and anti-smooth muscle antibodies.

      What treatment options are available to slow the progression of the most likely diagnosis for this patient?

      Your Answer:

      Correct Answer: Ursodeoxycholic acid

      Explanation:

      Primary biliary cholangitis is a chronic liver disorder that affects middle-aged women. It is thought to be an autoimmune condition that damages interlobular bile ducts, causing progressive cholestasis and potentially leading to cirrhosis. The classic presentation is itching in a middle-aged woman. It is associated with Sjogren’s syndrome, rheumatoid arthritis, systemic sclerosis, and thyroid disease. Diagnosis involves immunology and imaging tests. Management includes ursodeoxycholic acid, cholestyramine for pruritus, and liver transplantation in severe cases. Complications include cirrhosis, osteomalacia and osteoporosis, and an increased risk of hepatocellular carcinoma.

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      • Gastroenterology And Hepatology
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  • Question 24 - A 70-year-old man presents for a colonoscopy due to chronic diarrhea. During the...

    Incorrect

    • A 70-year-old man presents for a colonoscopy due to chronic diarrhea. During the procedure, a polyp is discovered on the right side of his colon and removed via snare polypectomy. Six hours later, while in the Recovery Ward, he becomes lethargic and begins experiencing intense abdominal pain and vomiting. What is the best course of action for managing his symptoms?

      Your Answer:

      Correct Answer:

      Explanation:

      Management of a Patient with Abdominal Pain Post-Colonoscopy

      When a patient presents with severe abdominal pain after a recent colonoscopy, it is important to consider the possibility of a colonic perforation. The first step in management is to keep the patient nil by mouth and arrange an urgent erect chest X-ray to look for air under the diaphragm, which would be consistent with a perforated abdominal viscus.

      It is also important to involve colorectal surgeons at an early stage to exclude a colonic perforation, especially if the patient has recently had a polyp removed. Administering flumazenil may be necessary to address any side effects from the sedation given, but it would not explain the patient’s severe abdominal pain.

      A water-soluble contrast enema would not be appropriate in this situation, as it could exacerbate the problem. Similarly, scheduling a repeat colonoscopy to identify the site of perforation may also worsen the patient’s condition.

      Reassurance and discharge with analgesia are not appropriate options for a patient in significant discomfort. Therefore, it is crucial to identify the cause of the patient’s symptoms and provide appropriate management as soon as possible.

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      • Gastroenterology And Hepatology
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  • Question 25 - A 30-year-old woman presents to hospital with a three-day history of acute abdominal...

    Incorrect

    • A 30-year-old woman presents to hospital with a three-day history of acute abdominal pain and distension. Her past medical history includes asthma, coeliac disease and an unprovoked deep vein thrombosis in her left leg a year ago. Her medications include Symbicort 400/12 2 puffs BD and salbutamol PRN. She does not smoke and drinks approximately 12 units of alcohol a week. She works as a secretary in a legal firm. Her parents both suffer from type 2 diabetes mellitus.

      On examination, her temperature is 37.7ºC, pulse rate is 110 beats per minute and blood pressure is 130/80 mmHg. There is evidence of icterus in her sclera. Inspection of her abdomen reveals gross distension. There is hepatomegaly on palpation and shifting dullness on percussion. There is marked tenderness on palpation of the right upper quadrant of her abdomen.

      Her blood tests show:

      Hb 100 g/l Na+ 138 mmol/l Bilirubin 63 µmol/l
      Platelets 740 * 109/l K+ 5.2 mmol/l ALP 295 u/l
      WBC 14.2 * 109/l Urea 5.1 mmol/l ALT 230 u/l
      Neuts 9.5 * 109/l Creatinine 89 µmol/l γGT 210 u/l
      Lymphs 0.7 * 109/l Albumin 26 g/l
      INR 1.5 CRP 93 mg/L Amylase 173 U/L

      What is the most likely diagnosis for this 30-year-old woman with acute abdominal pain and distension?

      Your Answer:

      Correct Answer: Budd-Chiari syndrome

      Explanation:

      Budd-Chiari syndrome is characterized by sudden onset abdominal pain, ascites, and tender hepatomegaly. This condition is caused by the occlusion of the hepatic veins draining the liver, which can be due to thrombosis (primary) or external compression (secondary). While some patients may be asymptomatic or have a chronic course, it is important to investigate for hypercoagulability in those with primary BCS. Treatment options include medical therapy with diuretics and anticoagulants, surgical shunt placement, TIPSS procedure, or liver transplantation in cases of fulminant BCS.

      Understanding Budd-Chiari Syndrome

      Budd-Chiari syndrome, also known as hepatic vein thrombosis, is a condition that is often associated with an underlying hematological disease or another procoagulant condition. The causes of this syndrome include polycythemia rubra vera, thrombophilia, pregnancy, and the use of combined oral contraceptive pills. The symptoms of Budd-Chiari syndrome typically include sudden onset and severe abdominal pain, ascites leading to abdominal distension, and tender hepatomegaly.

      To diagnose Budd-Chiari syndrome, an ultrasound with Doppler flow studies is usually the initial radiological investigation. This test is highly sensitive and can help identify the presence of the condition. It is important to diagnose and treat Budd-Chiari syndrome promptly to prevent complications such as liver failure and portal hypertension.

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  • Question 26 - A 35-year-old woman presents to the Emergency Department with a complaint of chest...

    Incorrect

    • A 35-year-old woman presents to the Emergency Department with a complaint of chest discomfort. She reports a burning sensation behind her breastbone that is triggered by heavy meals and worsens when lying down. She denies any difficulty swallowing, nausea, vomiting, or vomiting blood. Her bowel movements are regular, and she has not experienced any black, tarry stools. She has no significant medical history or family history. She drinks alcohol occasionally.
      Upon examination, she appears comfortable, with a regular pulse of 80 bpm. Her heart sounds are normal, and her lungs are clear. Her abdomen is soft and non-tender, with no palpable masses or enlarged organs. Bowel sounds are normal, and a rectal exam reveals no blood, black stools, or masses. Routine blood tests, including a complete blood count, are normal. She plans to reduce her alcohol consumption.
      What is the most appropriate course of action for managing this patient?

      Your Answer:

      Correct Answer:

      Explanation:

      Optimal Interventions for Heartburn in a Young Patient

      For a 28-year-old patient experiencing heartburn without any alarming symptoms, lifestyle advice such as healthy eating, weight reduction, and reducing alcohol and smoking can be recommended. Additionally, a full-dose proton pump inhibitor (PPI) for one month can be considered. Endoscopy is not necessary for patients under 55 without significant alarm features. Helicobacter pylori eradication therapy is only required if the presence of H. pylori is proven. Barium swallow is not necessary if there are no significant features of esophageal obstruction. If there is no response or relapse after PPI therapy, a test for H. pylori by carbon-13 urea breath test or stool antigen test should be conducted, followed by eradication if necessary.

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  • Question 27 - A 28-year-old Canadian man presents to the Sexual Health Clinic. He is a...

    Incorrect

    • A 28-year-old Canadian man presents to the Sexual Health Clinic. He is a man who has sex with men and feels that he needs a comprehensive sexual health check-up. He has had eight sexual partners in his life and has engaged in unprotected anal sex with four of them in the past year.
      Currently, he has no symptoms and feels healthy. He consents to an HIV test and screening for Chlamydia and gonorrhoeae. When asked, he is uncertain if he has received the hepatitis vaccinations. He recalls receiving some vaccinations while in Canada but has no further information.
      A hepatitis serology is ordered with the following findings:
      Investigation Result
      Hep A IgG + ve
      Hep B core ag –ve
      Hep B s ag –ve
      Hep B core ab + ve (titre 150)
      Hep B surface ab +
      HIV Test Negative
      What is the most appropriate course of action?

      Your Answer:

      Correct Answer: Offer no vaccination or treatment

      Explanation:

      Interpreting Hepatitis Serology Results: What They Mean and What Actions to Take

      When interpreting hepatitis serology results, it is important to understand what each marker signifies and what actions to take based on the results. In the case of a patient with detectable Hepatitis A IgG and antibodies against HBcAg, it implies past infection and immunity, and therefore no vaccination is needed. The presence of HBsAg and HBeAg, on the other hand, signifies acute infection and highly infectious patients, respectively. However, in the absence of these markers and with a well patient, no active treatment or vaccination is necessary. It is also unnecessary to repeat tests unless the patient becomes unwell with hepatitis. Understanding these results and taking appropriate actions can help manage and prevent the spread of hepatitis.

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  • Question 28 - A 25-year-old female patient complains of abdominal bloating and occasional diarrhea with urgency...

    Incorrect

    • A 25-year-old female patient complains of abdominal bloating and occasional diarrhea with urgency for the past six months. She has not experienced any weight loss during this time and her diarrhea is watery with mucous but no blood. Upon examination, her abdomen appears normal. Based on the 2008 NICE guidelines for the diagnosis and management of irritable bowel syndrome, what combination of tests is the most cost-effective and clinically appropriate for making a diagnosis?

      Your Answer:

      Correct Answer: Full blood count, erythrocyte sedimentation rate, C reactive protein and anti-tissue transglutaminase antibodies

      Explanation:

      Diagnosis of Irritable Bowel Syndrome

      Abdominal bloating, alternating diarrhoea and constipation, abdominal pain relieved by defecation and urgency are all common symptoms of irritable bowel syndrome. It is important to take a thorough history to rule out any red flag symptoms such as weight loss. Coeliac disease should also be considered as a possible alternative diagnosis.

      According to NICE guidelines, a normal full blood count, C-reactive protein, erythrocyte sedimentation rate, and negative anti-tissue transglutaminase antibodies are sufficient to exclude other causes of bowel symptoms in the presence of a history that is classical for irritable bowel syndrome and the absence of red flag symptoms such as weight loss.

      In summary, a diagnosis of irritable bowel syndrome can be made based on the presence of typical symptoms and the exclusion of other possible causes through appropriate testing.

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  • Question 29 - A 58-year-old man presents to the medical assessment unit with complaints of epigastric...

    Incorrect

    • A 58-year-old man presents to the medical assessment unit with complaints of epigastric pain and discomfort. The symptoms have been present for the last two months and are worse at night and when lying down. He reports taking lansoprazole 30 mg once daily and Gaviscon as required for the last four weeks, but has not found relief. There is no history of dysphagia or unintentional weight loss. On examination, there are no notable findings.

      Based on NICE guidelines for the management of dyspepsia, what is the most appropriate course of action for this patient?

      Your Answer:

      Correct Answer: Discharge and arrange urgent outpatient gastroscopy (within two weeks)

      Explanation:

      NICE Guidelines for Dyspepsia Management

      The NICE guidelines recommend that patients over 55 years old with persistent and unexplained dyspepsia of recent onset should be urgently referred for endoscopy as suspected cancer. Persistent means beyond the time frame of a self-limiting illness, typically four to six weeks, while unexplained refers to a new episode in the absence of any known aggravating factors. Although an upper gastrointestinal endoscopic investigation is necessary, there is no need for the patient to be admitted as an inpatient.

      The patient’s history meets the criteria for referral for endoscopy as suspected cancer, which requires urgent investigation. A test and treat strategy for H. pylori may have been appropriate at initial presentation, but the patient’s clinical presentation has now progressed to the point where endoscopic investigation is necessary. Doubling the dose of proton pump inhibitor without ruling out other significant pathology is not an appropriate course of action.

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  • Question 30 - A 40-year-old restaurant owner presents to the gastroenterology clinic with complaints of chronic...

    Incorrect

    • A 40-year-old restaurant owner presents to the gastroenterology clinic with complaints of chronic diarrhoea that is difficult to flush away, along with anorexia and epigastric abdominal pain over the past few months. He reports a weight loss of 8 kg over the past year. He is a non-smoker and drinks at least 30 units of alcohol per week. On examination, he has spider naevi on his chest and abdomen, but no abdominal masses. His BMI is 22 kg/m², blood pressure is 100/82 mmHg, and pulse is 80 beats per minute and regular.

      Investigations:

      Hb 98 g/l
      Platelets 101 * 109/l
      WBC 5.9 * 109/l

      Na+ 134 mmol/l
      K+ 3.6 mmol/l
      Urea 5.1 mmol/l
      Creatinine 82 µmol/l

      Bilirubin 12 µmol/l
      ALP 168 u/l
      ALT 64 u/l
      γGT 134 u/l
      Albumin 27 g/l

      What test is most likely to reveal the cause of his diarrhoea?

      Your Answer:

      Correct Answer: Faecal elastase

      Explanation:

      When evaluating patients with possible chronic pancreatitis and exocrine pancreatic insufficiency, the most useful initial investigation is faecal elastase measurement. In this case, the patient’s chronic epigastric pain, weight loss, and diarrhoea suggest malabsorption related to chronic pancreatitis. Faecal elastase is a direct indicator of pancreatic enzyme production, with normal values being greater than 200 mcg/g of stool. Mild exocrine insufficiency may be indicated by values of 100-200, while less than 100 is indicative of pancreatic exocrine insufficiency. Serum amylase is not useful in this case, as it is typically only elevated in acute pancreatitis. Faecal calprotectin is a measure of GI tract inflammation and is more useful in evaluating inflammatory bowel disease than chronic pancreatitis. Additionally, the patient’s potential underestimation of alcohol consumption should be considered.

      Understanding Malabsorption: Causes and Symptoms

      Malabsorption is a condition that is characterized by diarrhea, weight loss, and steatorrhea. It occurs when the body is unable to absorb nutrients from the food that is consumed. The causes of malabsorption can be broadly divided into three categories: intestinal, pancreatic, and biliary. Intestinal causes include conditions such as coeliac disease, Crohn’s disease, tropical sprue, Whipple’s disease, Giardiasis, and brush border enzyme deficiencies. Pancreatic causes include chronic pancreatitis, cystic fibrosis, and pancreatic cancer. Biliary causes include biliary obstruction and primary biliary cirrhosis. Other causes of malabsorption include bacterial overgrowth, short bowel syndrome, and lymphoma.

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SESSION STATS - PERFORMANCE PER SPECIALTY

Passmed