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Question 1
Incorrect
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A 7-year-old boy visits his pediatrician with skin lesions. Upon conducting a thorough examination and taking a medical history, the doctor informs the mother that the skin lesions are likely caused by a viral infection.
What is the most probable condition that could be caused by a virus in this case?Your Answer: Cellulitis
Correct Answer: Molluscum contagiosum
Explanation:Common Skin Infections and Their Causes
Molluscum contagiosum is a viral infection that spreads through direct contact and causes pink papules with a central umbilicus. The lesions contain cheese-like material and can be treated with cryotherapy or imiquimod.
Cellulitis is a bacterial infection that affects the lower dermis and subcutaneous tissue, causing red, swollen, and painful skin. It is commonly caused by Streptococcus pyogenes and Staphylococcus aureus.
Folliculitis is an inflammation of the hair follicles, often caused by staphylococcal infections.
Impetigo is a bacterial infection that results in pustules and honey-colored, crusted erosions. It is commonly caused by S. aureus.
Necrotizing fasciitis is a severe bacterial infection that affects soft tissue and fascia. The bacteria release toxins and enzymes that lead to thrombosis and destruction of soft tissue and fascia. Bacterial causes include S. aureus and Clostridium perfringens, among others.
Overview of Common Skin Infections and Their Causes
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This question is part of the following fields:
- Dermatology
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Question 2
Incorrect
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A 65-year-old woman presents with abdominal pain that occurs after eating. She also reports weight loss due to her abdominal pain preventing her from eating large amounts. Her medical history includes stable angina and intermittent claudication caused by peripheral arterial disease. Upon examination, there are no visible abnormalities on the abdomen, but there is general tenderness upon palpation, no signs of organ enlargement, and normal bowel sounds. Routine blood tests, including full blood count, urea and electrolytes, and liver function tests, are normal. CT angiography shows an obstructed coeliac trunk and a stenosed but patent superior mesenteric artery. Which organ is most likely to be ischemic and contributing to this patient's symptoms?
Your Answer: Transverse colon
Correct Answer: Stomach
Explanation:Understanding Chronic Mesenteric Ischaemia and Organ Involvement
Chronic mesenteric ischaemia is a condition that occurs when there is reduced blood flow to the intestines due to the narrowing or blockage of major mesenteric vessels. Patients with this condition often present with postprandial abdominal pain, weight loss, and concurrent vascular co-morbidities. To develop symptoms, at least two of the major mesenteric vessels must be affected, with one of these two occluded.
The coeliac trunk is one of the major mesenteric vessels, and when it is occluded, the organs it supplies are at risk. These organs include the stomach, spleen, liver, gallbladder, pancreas, duodenum, and abdominal portion of the oesophagus.
The jejunum is supplied directly by the superior mesenteric artery, but it is less likely to be the cause of symptoms than a foregut structure supplied by the coeliac trunk. The transverse colon is supplied by the right and middle colic arteries and the left colic artery, but it is unlikely to be the cause of symptoms if neither the superior nor the inferior mesenteric artery is completely occluded. The descending colon is supplied by the left colic artery, but it is unlikely to be the organ causing symptoms if this artery is neither occluded nor stenosed. The ileum is also supplied by the superior mesenteric artery, but it is less likely to be the cause of symptoms than a foregut structure.
In summary, understanding the involvement of different organs in chronic mesenteric ischaemia can help in the diagnosis and management of this condition.
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This question is part of the following fields:
- Gastroenterology
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Question 3
Incorrect
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A 57-year-old man presents with painful weeping rashes on his right upper eyelid and forehead, accompanied by acute punctate keratopathy. He had undergone chemotherapy for non-Hodgkin's lymphoma about a year ago. No other abnormalities are observed. What is the most probable diagnosis?
Your Answer: Pyoderma gangrenosum
Correct Answer: Herpes zoster
Explanation:Increased Risk of Herpes Zoster in Immunocompromised Patients
Immunosuppressed individuals who have undergone organ transplantation, as well as those with cancer, leukaemia, and AIDS, are more susceptible to developing herpes zoster. This condition, commonly known as shingles, is caused by the reactivation of the varicella-zoster virus, which remains dormant in the body after a previous chickenpox infection.
In cases of herpes zoster ophthalmicus, where the virus affects the eye and surrounding areas, the presence of the Hutchinson sign – a rash on the tip of the nose supplied by the external nasal nerve – indicates a higher risk of developing uveitis, an inflammation of the eye uvea. It is important for immunocompromised patients to be aware of this increased risk and seek prompt medical attention if they experience any symptoms of herpes zoster.
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This question is part of the following fields:
- Ophthalmology
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Question 4
Correct
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A 60-year-old man was brought into the Emergency Department with sudden onset of severe back pain lasting 20 min. The pain was constant and not exacerbated by coughing or sneezing. On examination, the patient was in shock, with a palpable 8-cm mass deep in the epigastrium above the umbilicus. His past medical history includes a 6-cm abdominal aortic aneurysm diagnosed 2 years ago at the time of cholecystectomy. The patient is a non-smoker and drinks 2 pints of beer a week.
Which is the most probable diagnosis?Your Answer: Rupturing abdominal aortic aneurysm
Explanation:Possible Diagnoses for Sudden-Onset Severe Back Pain
When a patient presents with sudden-onset severe back pain, it is important to consider various possible diagnoses. In the case of a male patient with increasing age and a known history of abdominal aortic aneurysm, a rupturing aneurysm should be suspected until proven otherwise. This is especially true if there is associated shock and a large palpable mass deep in the epigastrium. Blood initially leaks into the retroperitoneal space, causing severe back pain, before blowing out into the peritoneal cavity. Acute cholecystitis is unlikely if the patient has had a previous cholecystectomy. Acute pancreatitis may present with epigastric pain, but this patient does not have other symptoms consistent with the condition. Herniated lumbar disc pain is usually worsened by coughing or sneezing and radiates down the leg, which is not the case here. Aortic dissection could present similarly, but given the known history of a large aortic aneurysm, a rupture is more likely. Therefore, it is important to consider all possible diagnoses and take appropriate action to manage the patient’s condition.
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This question is part of the following fields:
- Vascular
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Question 5
Correct
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A 6-year-old boy is brought to the GP by his father due to a loud, harsh cough that has persisted for the past 2 weeks. The child has also been more lethargic than usual. Although he appears to be in good health, you observe 2 coughing fits during the consultation, which cause the child distress and difficulty breathing, resulting in a loud, harsh inspiratory noise between coughing fits. The patient has no known allergies or medical history, but his vaccination record is unclear since he moved to the UK from another country 3 years ago. The patient's temperature is 37.5ºC.
What is the most appropriate course of action?Your Answer: Prescribe azithromycin and report to Public Health England
Explanation:Whooping cough must be reported to Public Health England as it is a notifiable disease. According to NICE guidelines, oral azithromycin can be used to treat the disease within the first 21 days of symptoms. If the patient presents later than this, antibiotic therapy is not necessary. Salbutamol nebulisers are not a suitable treatment option as antibiotics are required.
Whooping Cough: Causes, Symptoms, Diagnosis, and Management
Whooping cough, also known as pertussis, is a contagious disease caused by the bacterium Bordetella pertussis. It is commonly found in children, with around 1,000 cases reported annually in the UK. The disease is characterized by a persistent cough that can last up to 100 days, hence the name cough of 100 days.
Infants are particularly vulnerable to whooping cough, which is why routine immunization is recommended at 2, 3, 4 months, and 3-5 years. However, neither infection nor immunization provides lifelong protection, and adolescents and adults may still develop the disease.
Whooping cough has three phases: the catarrhal phase, the paroxysmal phase, and the convalescent phase. The catarrhal phase lasts around 1-2 weeks and presents symptoms similar to a viral upper respiratory tract infection. The paroxysmal phase is characterized by a severe cough that worsens at night and after feeding, and may be accompanied by vomiting and central cyanosis. The convalescent phase is when the cough subsides over weeks to months.
To diagnose whooping cough, a person must have an acute cough that has lasted for 14 days or more without another apparent cause, and have one or more of the following features: paroxysmal cough, inspiratory whoop, post-tussive vomiting, or undiagnosed apnoeic attacks in young infants. A nasal swab culture for Bordetella pertussis is used to confirm the diagnosis, although PCR and serology are increasingly used.
Infants under 6 months with suspected pertussis should be admitted, and in the UK, pertussis is a notifiable disease. An oral macrolide, such as clarithromycin, azithromycin, or erythromycin, is indicated if the onset of the cough is within the previous 21 days to eradicate the organism and reduce the spread. Household contacts should be offered antibiotic prophylaxis, although antibiotic therapy has not been shown to alter the course of the illness. School exclusion is recommended for 48 hours after commencing antibiotics or 21 days from onset of symptoms if no antibiotics are given.
Complications of whooping cough include subconjunctival haemorrhage, pneumonia, bronchiectasis, and
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This question is part of the following fields:
- Paediatrics
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Question 6
Incorrect
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A 70-year-old man presents with a history of intermittent constipation and diarrhoea and progressive weight loss over the past 3 months. During examination, he appears cachectic and has nodular hepatomegaly. He does not exhibit jaundice and his liver function tests are normal.
What is the most probable diagnosis?Your Answer: Myelofibrosis
Correct Answer: Liver metastases
Explanation:Liver Metastases: Causes and Differential Diagnosis
Liver metastases are a common cause of nodular hepatomegaly, with the most frequent primary sites being the bowel and breast. While palpable metastases may not affect liver function, obstruction to the biliary tract or involvement of over half of the liver can lead to impaired function and the presence of ascites. Autopsy studies have shown that 30-70% of cancer patients have liver metastases, with the frequency depending on the primary site. Most liver metastases are multiple and affect both lobes.
When considering a differential diagnosis, cirrhosis can be ruled out as it is the end-stage of chronic liver disease and would typically present with elevated serum alanine aminotransferase (ALT). Hepatoma is less common than metastases and lymphoma may present with evidence of involvement in other sites, such as lymphadenopathy. Myelofibrosis, which is associated with bone marrow fibrosis and abnormal stem cell appearance in the liver and spleen, may be asymptomatic in its early stages or present with leuko-erythroblastic anemia, malaise, weight loss, and night sweats. However, it is much less common than liver metastases.
In summary, liver metastases should be considered as a potential cause of nodular hepatomegaly, particularly in patients with a history of cancer. A thorough differential diagnosis should be conducted to rule out other potential causes.
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This question is part of the following fields:
- Gastroenterology
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Question 7
Incorrect
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A middle-aged couple visits the clinic with concerns about the husband's behavior. The wife reports that her partner has been acting strangely, constantly checking on their son throughout the day and night, sometimes up to twenty times. When questioned, he reveals that he had a frightening experience with his son last month and cannot stop reliving it in his mind. He avoids going to places where he might lose sight of his son and has trouble sleeping. There is no significant medical or psychiatric history. What is the most probable diagnosis?
Your Answer: Panic disorder
Correct Answer: Post traumatic stress disorder (PTSD)
Explanation:Understanding Post-Traumatic Stress Disorder (PTSD)
Post-traumatic stress disorder (PTSD) is a mental health condition that can develop in individuals of any age following a traumatic event. This can include experiences such as natural disasters, accidents, or even childhood abuse. PTSD is characterized by a range of symptoms, including re-experiencing the traumatic event through flashbacks or nightmares, avoidance of situations or people associated with the event, hyperarousal, emotional numbing, depression, and even substance abuse.
Effective management of PTSD involves a range of interventions, depending on the severity of the symptoms. Single-session interventions are not recommended, and watchful waiting may be used for mild symptoms lasting less than four weeks. Military personnel have access to treatment provided by the armed forces, while trauma-focused cognitive behavioral therapy (CBT) or eye movement desensitization and reprocessing (EMDR) therapy may be used in more severe cases.
It is important to note that drug treatments for PTSD should not be used as a routine first-line treatment for adults. If drug treatment is used, venlafaxine or a selective serotonin reuptake inhibitor (SSRI), such as sertraline, should be tried. In severe cases, NICE recommends that risperidone may be used. Overall, understanding the symptoms and effective management of PTSD is crucial in supporting individuals who have experienced traumatic events.
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This question is part of the following fields:
- Psychiatry
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Question 8
Incorrect
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A mother brings her 5-day old daughter to see you as she is worried about her daughter's weight loss. The baby was born at term without any complications. She is exclusively breastfed and has had a normal amount of wet nappies today. The baby is not showing any signs of distress and all observations are within normal limits. However, her birth weight was 3200g and today she weighs 2900g. What would be the best course of action to manage this infant's weight loss?
Your Answer: Commence bottle feeding alongside Breastfeeding
Correct Answer: Referral to midwife-led breastfeeding clinic
Explanation:If the baby loses more than 10% of his birth weight in the first week, immediate measures must be taken to ensure proper feeding.
Breastfeeding Problems and Their Management
Breastfeeding is a natural process, but it can come with its own set of challenges. Some of the minor problems that breastfeeding mothers may encounter include frequent feeding, nipple pain, blocked ducts, and nipple candidiasis. These issues can be managed by seeking advice on proper positioning, trying breast massage, and using appropriate medication.
Mastitis is a more serious problem that affects around 1 in 10 breastfeeding women. It is characterized by symptoms such as fever, nipple fissure, and persistent pain. Treatment involves the use of antibiotics, such as flucloxacillin, for 10-14 days. Breastfeeding or expressing milk should continue during treatment to prevent complications such as breast abscess.
Breast engorgement is another common problem that causes breast pain in breastfeeding women. It occurs in the first few days after birth and affects both breasts. Hand expression of milk can help relieve the discomfort of engorgement. Raynaud’s disease of the nipple is a less common problem that causes nipple pain and blanching. Treatment involves minimizing exposure to cold, using heat packs, and avoiding caffeine and smoking.
If a breastfed baby loses more than 10% of their birth weight in the first week of life, it may be a sign of poor weight gain. This should prompt consideration of the above breastfeeding problems and an expert review of feeding. Monitoring of weight should continue until weight gain is satisfactory.
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This question is part of the following fields:
- Obstetrics
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Question 9
Incorrect
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Your consultant asks you to monitor a 93-year-old woman on a General Medical Ward admitted with a lower respiratory tract infection who the nurses say becomes really confused at night. She scores 28/30 on Mini-Mental State Examination (MMSE) on two occasions in the daytime. Between these two results, on a night when you are on call, you completed the examination and found she scored only 18/30. She also complained of animals running around the room.
What is the most likely reason for her cognitive impairment?Your Answer: Mild dementia
Correct Answer: Delirium
Explanation:Interpreting MMSE Scores and Differential Diagnosis for Confusion in an Elderly Patient
A MMSE score of 28/30 suggests no significant cognitive impairment, while a score of 18/30 indicates impairment. However, educational attainment can affect results, and the MMSE is not recommended for those with learning disabilities. Fluctuating confusion with increased impairment at night and visual hallucinations in an elderly person with an infection suggests delirium. Mild or moderate dementia is suggested if the MMSE score is over 26 in the daytime on two occasions, but confusion is at night, suggestive of delirium over dementia. Normal pressure hydrocephalus is unlikely without ataxic gait or urinary incontinence, and cerebral abscess is unlikely without persistent confusion or temperature.
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This question is part of the following fields:
- Acute Medicine And Intensive Care
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Question 10
Incorrect
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A 70-year-old male is recuperating from a partial colectomy that he underwent 2 days ago. The patient reports an aggravation in pain at the incision site. Upon closer inspection, there is a discharge of pink serous fluid, a gap between the wound edges, and protrusion of bowel. The patient does not exhibit any other apparent symptoms. What is the immediate course of action for managing this patient?
Your Answer: Pack the wound and begin intravenous fluids
Correct Answer: Call for senior help urgently
Explanation:While waiting for senior help to arrive, saline may be utilized. However, packing the wound is not a suitable immediate management for this patient, although it may be considered for superficial dehiscence. It is advisable to follow the Sepsis six protocol and record the patient’s vital signs after calling for senior assistance.
Understanding the Stages of Wound Healing
Wound healing is a complex process that involves several stages. The type of wound, whether it is incisional or excisional, and its level of contamination will affect the contributions of each stage. The four main stages of wound healing are haemostasis, inflammation, regeneration, and remodeling.
Haemostasis occurs within minutes to hours following injury and involves the formation of a platelet plug and fibrin-rich clot. Inflammation typically occurs within the first five days and involves the migration of neutrophils into the wound, the release of growth factors, and the replication and migration of fibroblasts. Regeneration occurs from day 7 to day 56 and involves the stimulation of fibroblasts and epithelial cells, the production of a collagen network, and the formation of granulation tissue. Remodeling is the longest phase and can last up to one year or longer. During this phase, collagen fibers are remodeled, and microvessels regress, leaving a pale scar.
However, several diseases and conditions can distort the wound healing process. For example, vascular disease, shock, and sepsis can impair microvascular flow and healing. Jaundice can also impair fibroblast synthetic function and immunity, which can have a detrimental effect on the healing process.
Hypertrophic and keloid scars are two common problems that can occur during wound healing. Hypertrophic scars contain excessive amounts of collagen within the scar and may develop contractures. Keloid scars also contain excessive amounts of collagen but extend beyond the boundaries of the original injury and do not regress over time.
Several drugs can impair wound healing, including non-steroidal anti-inflammatory drugs, steroids, immunosuppressive agents, and anti-neoplastic drugs. Closure of the wound can be achieved through delayed primary closure or secondary closure, depending on the timing and extent of granulation tissue formation.
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This question is part of the following fields:
- Surgery
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Question 11
Incorrect
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A 65-year-old woman presents with backache over the past 5 days, which did not respond to over-the-counter analgesics. Pain is increasing in the night and is constant. It is not subsiding with rest. There is no history of trauma. She is a known diabetic and hypertensive. She had an episode of deep vein thrombosis 1 month ago and was on heparin for 3 weeks. She had no children and her husband passed away a year ago. Her current medications include captopril, metformin, warfarin, atorvastatin and aspirin 375 mg. X-ray of the spine shows a fracture of C6 vertebra.
Which one of the following is the most likely underlying disease causing the fracture at this vertebral level?Your Answer: Heparin-induced secondary osteoporosis
Correct Answer: Metastatic carcinoma due to occult primary
Explanation:Distinguishing Causes of Vertebral Fractures: A Guide for Clinicians
When a patient presents with thoracic back pain and a vertebral fracture, it is important to consider the underlying cause. Fractures at or above the T4 level are suggestive of cancer, rather than osteoporosis. This is especially true if the patient has no known primary cancer, as it may be a case of metastatic carcinoma due to occult primary.
postmenopausal osteoporosis and heparin-induced osteoporosis typically do not cause fractures at or above T4. Instead, fractures below T4 are more commonly seen in osteoporosis. However, a higher fracture associated with thoracic back pain is a red flag feature that should be investigated further with imaging, such as an MRI spine, as cancer is suspected.
Statin-induced myopathy is another condition that can cause muscle pain and weakness, but it does not typically present with back pain or vertebral fractures. Similarly, renal osteodystrophy due to diabetic nephropathy can affect the spine, but this patient does not have chronic renal failure. If diabetic nephropathy is present, it may progress to renal failure, which can lead to renal osteodystrophy.
In summary, when evaluating a patient with thoracic back pain and a vertebral fracture, it is important to consider the location of the fracture and any other symptoms or risk factors. This can help clinicians distinguish between potential causes and guide appropriate diagnostic testing and treatment.
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This question is part of the following fields:
- Orthopaedics
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Question 12
Incorrect
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A 20-year-old female patient visited her doctor complaining of general malaise, lethargy, and fatigue. She couldn't pinpoint when the symptoms started but felt that they had been gradually developing for a few months. During the physical examination, the doctor detected a murmur and referred her to a cardiologist based on the findings. The cardiac catheterization results are as follows:
Anatomical site Oxygen saturation (%) Pressure (mmHg)
End systolic/End diastolic
Superior vena cava 77 -
Right atrium (mean) 79 7
Right ventricle 78 -
Pulmonary artery 87 52/17
Pulmonary capillary wedge pressure - 16
Left ventricle 96 120/11
Aorta 97 120/60
What is the most accurate description of the murmur heard during the chest auscultation of this 20-year-old woman?Your Answer: No murmur will be heard
Correct Answer: A continuous 'machinery' murmur at the left upper sternal edge with late systolic accentuation
Explanation:Characteristics of Patent Ductus Arteriosus
Patent ductus arteriosus is a condition that is characterized by an unusual increase in oxygen saturation between the right ventricle and pulmonary artery. This is often accompanied by elevated pulmonary artery pressures and a high wedge pressure. These data are typical of this condition and can be used to diagnose it. It is important to note that patent ductus arteriosus can lead to serious complications if left untreated, including heart failure and pulmonary hypertension. Therefore, early detection and treatment are crucial for improving outcomes and preventing long-term complications.
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This question is part of the following fields:
- Cardiology
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Question 13
Incorrect
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Sophie is a 16-year-old who has been brought to the emergency department by her father after a fall. An X-ray of her left ankle shows a Weber A fracture. What is the most suitable course of action for treating this injury?
Your Answer: Discharge with pain relief
Correct Answer: Remain weight bearing as tolerated in a CAM boot for 6 weeks
Explanation:Patients with minimally displaced and stable Weber A fractures may bear weight as tolerated while wearing a CAM boot. These fractures occur below the ankle syndesmosis and are considered stable, requiring immobilization in a CAM boot for six weeks. Pain relief is necessary but not the primary management for this injury. A below-knee cast is not required as the fracture is stable. Open reduction and external fixation are only necessary for unstable injuries such as Weber C fractures.
Ankle Fractures and their Classification
Ankle fractures are a common reason for emergency department visits. To minimize the unnecessary use of x-rays, the Ottawa ankle rules are used to aid in clinical examination. These rules state that x-rays are only necessary if there is pain in the malleolar zone and an inability to weight bear for four steps, tenderness over the distal tibia, or bone tenderness over the distal fibula. There are several classification systems for describing ankle fractures, including the Potts, Weber, and AO systems. The Weber system is the simplest and is based on the level of the fibular fracture. Type A is below the syndesmosis, type B fractures start at the level of the tibial plafond and may extend proximally to involve the syndesmosis, and type C is above the syndesmosis, which may itself be damaged. A subtype known as a Maisonneuve fracture may occur with a spiral fibular fracture that leads to disruption of the syndesmosis with widening of the ankle joint, requiring surgery.
Management of Ankle Fractures
The management of ankle fractures depends on the stability of the ankle joint and patient co-morbidities. Prompt reduction of all ankle fractures is necessary to relieve pressure on the overlying skin and prevent necrosis. Young patients with unstable, high velocity, or proximal injuries will usually require surgical repair, often using a compression plate. Elderly patients, even with potentially unstable injuries, usually fare better with attempts at conservative management as their thin bone does not hold metalwork well. It is important to consider the patient’s overall health and any other medical conditions when deciding on the best course of treatment.
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This question is part of the following fields:
- Musculoskeletal
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Question 14
Incorrect
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A 60-year-old man comes to the hospital with sudden central chest pain. An ECG is done and shows ST elevation, indicating an infarct on the inferior surface of the heart. The patient undergoes primary PCI, during which a blockage is discovered in a vessel located within the coronary sulcus.
What is the most probable location of the occlusion?Your Answer: Right (acute) marginal artery
Correct Answer: Right coronary artery
Explanation:Identifying the Affected Artery in a Myocardial Infarction
Based on the ECG findings of ST elevation in the inferior leads and the primary PCI result of an occlusion within the coronary sulcus, it is likely that the right coronary artery has been affected. The anterior interventricular artery does not supply the inferior surface of the heart and does not lie within the coronary sulcus. The coronary sinus is a venous structure and is unlikely to be the site of occlusion. The right (acute) marginal artery supplies a portion of the inferior surface of the heart but does not run within the coronary sulcus. Although the left coronary artery lies within the coronary sulcus, the ECG findings suggest an infarction of the inferior surface of the heart, which is evidence for a right coronary artery event.
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This question is part of the following fields:
- Cardiology
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Question 15
Correct
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A 22-year-old woman who is 26 weeks pregnant comes to the emergency department complaining of severe headache and epigastric pain that has been worsening for the past 48 hours. Upon examination, she has a heart rate of 110 beats/min, a respiratory rate of 21 /min, a temperature of 36.8ºC, mild pitting oedema of the ankles, and brisk tendon reflexes. As pre-eclampsia is the likely diagnosis, what is the most crucial sign to look for?
Your Answer: Brisk tendon reflexes
Explanation:Brisk reflexes are a specific clinical sign commonly linked to pre-eclampsia, unlike the other answers which are more general.
Pre-eclampsia is a condition that occurs during pregnancy and is characterized by high blood pressure, proteinuria, and edema. It can lead to complications such as eclampsia, neurological issues, fetal growth problems, liver involvement, and cardiac failure. Severe pre-eclampsia is marked by hypertension, proteinuria, headache, visual disturbances, and other symptoms. Risk factors for pre-eclampsia include hypertension in a previous pregnancy, chronic kidney disease, autoimmune disease, diabetes, chronic hypertension, first pregnancy, and age over 40. Aspirin may be recommended for women with high or moderate risk factors. Treatment involves emergency assessment, admission for observation, and medication such as labetalol, nifedipine, or hydralazine. Delivery of the baby is the most important step in management, with timing depending on the individual case.
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This question is part of the following fields:
- Obstetrics
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Question 16
Correct
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A 32 weeks pregnant woman, who is G2 P0, presents to the emergency department with vaginal bleeding. She had suffered from severe nausea and vomiting earlier in the pregnancy which has now resolved. She has no abdominal pain, no vaginal discharge, no headache, and no pruritus. On abdominal examination, purple striae were noted on the abdomen as well as a dark line running vertically down the middle of the abdomen. A transverse lie is noticed and there is no fetal engagement. The symphyseal-fundal height is 33cm.
What is the best gold standard investigation to perform?Your Answer: Transvaginal ultrasound scan
Explanation:It is not advisable to conduct a digital vaginal examination in cases of suspected placenta praevia without first performing an ultrasound, as this could potentially trigger a dangerous hemorrhage.
Understanding Placenta Praevia
Placenta praevia is a condition where the placenta is located wholly or partially in the lower uterine segment. It is a relatively rare condition, with only 5% of women having a low-lying placenta when scanned at 16-20 weeks gestation. However, the incidence at delivery is only 0.5%, as most placentas tend to rise away from the cervix.
There are several factors associated with placenta praevia, including multiparity, multiple pregnancy, and embryos implanting on a lower segment scar from a previous caesarean section. Clinical features of placenta praevia include shock in proportion to visible loss, no pain, a non-tender uterus, abnormal lie and presentation, and a usually normal fetal heart. Coagulation problems are rare, and small bleeds may occur before larger ones.
Diagnosis of placenta praevia should not involve digital vaginal examination before an ultrasound, as this may provoke severe haemorrhage. The condition is often picked up on routine 20-week abdominal ultrasounds, but the Royal College of Obstetricians and Gynaecologists recommends the use of transvaginal ultrasound for improved accuracy and safety. Placenta praevia is classified into four grades, with grade IV being the most severe, where the placenta completely covers the internal os.
In summary, placenta praevia is a rare condition that can have serious consequences if not diagnosed and managed appropriately. It is important for healthcare professionals to be aware of the associated factors and clinical features, and to use appropriate diagnostic methods for accurate grading and management.
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This question is part of the following fields:
- Obstetrics
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Question 17
Incorrect
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A 28-year-old female presents to the Early Pregnancy Unit with vaginal bleeding and an unknown gestational age. She reports no pain and is stable. This is her first pregnancy. An ultrasound reveals a tubal pregnancy with a visible fetal heartbeat and an unruptured adnexal mass measuring 40mm. Her beta-hCG level is 5,200 IU/L. What is the initial management plan for this patient?
Your Answer: Expectant
Correct Answer: Surgical - laparoscopic salpingectomy
Explanation:Surgical management is recommended for all ectopic pregnancies that are larger than 35mm or have a serum B-hCG level greater than 5,000 IU/L.
Ectopic pregnancy is a serious condition that requires prompt investigation and management. Women who are stable are typically investigated and managed in an early pregnancy assessment unit, while those who are unstable should be referred to the emergency department. The investigation of choice for ectopic pregnancy is a transvaginal ultrasound, which will confirm the presence of a positive pregnancy test.
There are three ways to manage ectopic pregnancies: expectant management, medical management, and surgical management. The choice of management will depend on various criteria, such as the size of the ectopic pregnancy, whether it is ruptured or not, and the patient’s symptoms and hCG levels. Expectant management involves closely monitoring the patient over 48 hours, while medical management involves giving the patient methotrexate and requires follow-up. Surgical management can involve salpingectomy or salpingostomy, depending on the patient’s risk factors for infertility.
Salpingectomy is the first-line treatment for women without other risk factors for infertility, while salpingostomy should be considered for women with contralateral tube damage. However, around 1 in 5 women who undergo a salpingostomy require further treatment, such as methotrexate and/or a salpingectomy. It is important to carefully consider the patient’s individual circumstances and make a decision that will provide the best possible outcome.
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This question is part of the following fields:
- Obstetrics
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Question 18
Incorrect
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A 50-year-old man visits his primary care physician complaining of pain in the back of his ankle and difficulty walking. He reports hearing a loud snap while participating in a 5-km obstacle course. Upon examination, the physician observes swelling at the back of the ankle and a positive Simmonds test. The patient is diagnosed with a ruptured Achilles tendon. What is the best course of action to promote healing of the damaged tendon?
Your Answer: Non-steroidal anti-inflammatory drugs (NSAIDs)
Correct Answer: Below-knee plaster cast
Explanation:Ramsey-Hunt Syndrome
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This question is part of the following fields:
- Trauma
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Question 19
Incorrect
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A 56-year-old man comes to your GP office and expresses his anxiety about developing an abdominal aortic aneurysm (AAA) after his friend, who seemed healthy, passed away due to a ruptured AAA. During the physical examination, the patient's vital signs are all normal, and his body mass index is 24 kg/m². Although you can feel his abdominal pulse, it is not expansile. As a result, you decide to educate the patient about the abdominal aortic aneurysm screening program.
What information would you provide to the patient during this discussion?Your Answer: A single abdominal ultrasound for those aged 55-years-old
Correct Answer: A single abdominal ultrasound for those aged 65-years-old
Explanation:A single abdominal ultrasound is offered to all males aged 65 in England for screening of an abdominal aortic aneurysm (AAA). This is because the risk of getting an AAA is much smaller in women, men under 65, and those who have already been treated for an AAA. The screening is performed as an individual scan initially, and subsequent scans may be required depending on the size of the AAA. Therefore, options such as abdominal ultrasound every 3 or 5 years between 60 and 75-years-old are incorrect. Similarly, a single abdominal ultrasound for those aged 55 or 60-years-old is also incorrect as the screening is specifically for those aged 65.
Abdominal aortic aneurysm (AAA) is a condition that often develops without any symptoms. However, a ruptured AAA can be fatal, which is why it is important to screen patients for this condition. Screening involves a single abdominal ultrasound for males aged 65. The results of the screening are interpreted based on the width of the aorta. If the width is less than 3 cm, no further action is needed. If it is between 3-4.4 cm, the patient should be rescanned every 12 months. For a width of 4.5-5.4 cm, the patient should be rescanned every 3 months. If the width is 5.5 cm or more, the patient should be referred to vascular surgery within 2 weeks for probable intervention.
For patients with a low risk of rupture, which includes those with a small or medium aneurysm (i.e. aortic diameter less than 5.5 cm) and no symptoms, abdominal US surveillance should be conducted on the time-scales outlined above. Additionally, cardiovascular risk factors should be optimized, such as quitting smoking. For patients with a high risk of rupture, which includes those with a large aneurysm (i.e. aortic diameter of 5.5 cm or more) or rapidly enlarging aneurysm (more than 1 cm/year) or those with symptoms, they should be referred to vascular surgery within 2 weeks for probable intervention. Treatment for these patients may involve elective endovascular repair (EVAR) or open repair if EVAR is not suitable. EVAR involves placing a stent into the abdominal aorta via the femoral artery to prevent blood from collecting in the aneurysm. However, a complication of EVAR is an endo-leak, which occurs when the stent fails to exclude blood from the aneurysm and usually presents without symptoms on routine follow-up.
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This question is part of the following fields:
- Surgery
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Question 20
Incorrect
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A 25-year-old man with type I diabetes mellitus visits his General Practitioner (GP) with concerns about his deteriorating glycaemic control. The GP suspects poor compliance with diet and medication. What is the most effective approach to enhance his compliance during a brief consultation?
Your Answer: Psychotherapy
Correct Answer: Motivational interview
Explanation:Effective Psychological Interventions in Primary Care
Primary care settings are often the first point of contact for patients seeking help for mental health or physical conditions. To provide effective care, healthcare professionals can employ various psychological interventions. Here are some of the most effective ones:
Motivational Interviewing: This patient-centred approach involves resisting a didactic course of action, understanding the reasons for the change in behaviour, listening to the patient’s ideas, concerns or expectations, and empowering the patient to understand they are able to change their behaviour. It has been proven to increase compliance with medication.
Cognitive Behavioural Therapy (CBT): This talking therapy explores the patient’s understanding, concepts and reactions towards a certain problem, gradually building behavioural changes to challenge the concepts and manage the problem. It is used predominantly in the treatment of anxiety and depression, but can also be employed in many other mental health or physical conditions.
Self-Help Materials: Self-help materials in the form of leaflets and aids are a useful tool in the primary care setting, but the patient needs to be motivated for change in order for these to work.
Psychotherapy: This form of counselling employs various techniques to induce behavioural changes and habits that will stay with the patient in the long term. This requires a set amount of sessions over a period of time and therefore, cannot be performed in a short consultation.
Supportive Counselling: This psychological intervention has been shown to be best suited for treating mild to moderate depression and can be used in combination with other methods such as CBT.
By employing these psychological interventions, healthcare professionals can provide effective care for patients seeking help for mental health or physical conditions in primary care settings.
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This question is part of the following fields:
- Psychiatry
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Question 21
Incorrect
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A 19-year-old male has recently been diagnosed with schizophrenia. He was prescribed haloperidol, but after two weeks, he was discovered to be confused and drowsy. Upon examination, he was found to have a fever of 40.7°C, rigid muscles, and a blood pressure of 200/100 mmHg. What treatment would you recommend in this situation?
Your Answer: Cefuroxime
Correct Answer: Dantrolene
Explanation:Neuroleptic Malignant Syndrome
Neuroleptic malignant syndrome (NMS) is a serious medical condition that is commonly caused by potent neuroleptics. Its major features include rigidity, altered mental state, autonomic dysfunction, fever, and high creatinine kinase. The condition can lead to potential complications such as rhabdomyolysis and acute renal failure.
The treatment of choice for NMS is dantrolene and bromocriptine. However, withdrawal of neuroleptic treatment is mandatory to prevent further complications. It is important to note that NMS can be life-threatening and requires immediate medical attention. Therefore, it is crucial to recognize the symptoms and seek medical help as soon as possible.
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This question is part of the following fields:
- Neurology
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Question 22
Incorrect
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Your senior consultant has asked the scrub nurse to hand him the same suture. You recall from your surgical term that polyglactin sutures are absorbable and have various uses. Which surgical procedure is your senior consultant performing that necessitates the use of these sutures?
Your Answer: Abdominal wall closure
Correct Answer: Circumcision
Explanation:Surgical Sutures: Types and Uses in Different Procedures
Surgical sutures are essential tools in various medical procedures. Surgeons need to consider three properties of sutures, including absorbable or non-absorbable, natural or synthetic, and monofilament or multifilament.
For circumcisions, Vicryl Rapide is an ideal rapidly dissolving absorbable suture that breaks down within two weeks, eliminating the need for removal. On the other hand, bowel anastomosis requires longer-acting absorbable sutures like PDS or Vicryl.
Non-absorbable Prolene (polypropylene) is necessary for arterial anastomosis and suturing hernia mesh in place. The abdominal wall closure requires strong and long-acting sutures like PDS.
In summary, the type of suture used in a surgical procedure depends on the specific needs of the patient and the surgeon’s preference. Understanding the different types of sutures and their uses is crucial in ensuring successful surgical outcomes.
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This question is part of the following fields:
- Surgery
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Question 23
Incorrect
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A 16-year-old student presents to the Emergency Department with complaints of headache, neck stiffness, and photophobia. During the examination, a purpuric rash is observed on the trunk and limbs.
What condition is this patient at risk for?Your Answer: Zollinger–Ellison syndrome
Correct Answer: Waterhouse–Friderichsen syndrome
Explanation:Medical Syndromes and Their Characteristics
Waterhouse–Friderichsen Syndrome: This syndrome is caused by acute meningococcal sepsis due to Neisseria meningitidis. It can lead to sepsis, disseminated intravascular coagulation (DIC), endotoxic shock, and acute primary adrenal failure.
Zollinger–Ellison Syndrome: This syndrome results from a gastrinoma, which leads to recurrent peptic ulcers.
Osler–Weber–Rendu Disease: Also known as hereditary haemorrhagic telangiectasia, this disease results in multiple telangiectasias and arteriovenous shunting of blood.
Fitz–Hugh–Curtis Syndrome: This is a rare complication of pelvic inflammatory disease, resulting in liver capsule inflammation.
Cushing Syndrome: This syndrome is due to excess cortisol, which causes hypertension, central obesity, striae, a moon face, and muscle weakness.
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This question is part of the following fields:
- Neurology
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Question 24
Incorrect
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A 4-year-old girl, Lily, is taken to the pediatrician by her father. He is concerned about an umbilical hernia that Lily has had since birth. He was told that it would likely go away on its own, but it has not yet resolved. The pediatrician conducts an examination and finds a 1.5 cm umbilical hernia that is easily reducible. What is the most suitable course of action for managing this, according to the guidelines?
Your Answer: Referral for elective outpatient surgical repair
Correct Answer: Delaying referral for elective outpatient surgical repair until 5 years of age, if still unresolved
Explanation:According to medical guidelines, umbilical hernias in children usually close on their own by the age of 4-5. However, if the hernia persists beyond this age or is large and causing symptoms, surgical repair is recommended. In the case of a small hernia in a 3-year-old child, observation is appropriate until the age of 5. If the hernia becomes incarcerated, it should be manually reduced and surgically repaired within 24 hours. The use of compression therapy after surgery is not recommended. Waiting for the hernia to self-resolve after the age of 5 is not advised as it is unlikely to happen and could lead to incarceration. These recommendations are based on BMJ Best Practice guidelines.
Umbilical Hernia in Children: Causes and Treatment
Umbilical hernias are a common occurrence in children and are often detected during the newborn examination. This condition is characterized by a bulge or protrusion near the belly button, caused by a weakness in the abdominal muscles. While umbilical hernias can occur in any child, they are more common in Afro-Caribbean infants and those with Down’s syndrome or mucopolysaccharide storage diseases.
Fortunately, in most cases, umbilical hernias in children do not require treatment and will resolve on their own by the age of three. However, if the hernia persists beyond this age or becomes painful, surgery may be necessary to repair the abdominal wall. It is important to monitor the hernia and seek medical attention if there are any changes in size or symptoms.
In summary, umbilical hernias are a common condition in children that typically resolve on their own without treatment. However, certain factors such as ethnicity and underlying medical conditions may increase the likelihood of developing an umbilical hernia. Parents should be aware of the signs and symptoms of umbilical hernias and seek medical attention if necessary.
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This question is part of the following fields:
- Paediatrics
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Question 25
Incorrect
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A 32-year-old primigravida woman is 41 weeks pregnant and has been offered a vaginal examination and membrane sweeping at her antenatal visit. Despite these efforts, she has not gone into labor after 6 hours. Upon examination, her cervix is firm, 1 cm dilated, 1.5 cm in length, and in the middle position. The fetal head station is -3, but there have been no complications during the pregnancy. What should be the next appropriate step?
Your Answer: Caesarian section
Correct Answer: Vaginal prostaglandin gel
Explanation:If the Bishop score is less than or equal to 6, the recommended method for inducing labor is through vaginal PGE2 or oral misoprostol. In this case, since the Bishop score was less than 5, labor is unlikely without induction. One option could be to repeat a membrane sweep, but the most appropriate course of action would be to use a vaginal prostaglandin gel.
Induction of labour is a process where labour is artificially started and is required in about 20% of pregnancies. It is indicated in cases of prolonged pregnancy, prelabour premature rupture of the membranes, maternal medical problems, diabetic mother over 38 weeks, pre-eclampsia, obstetric cholestasis, and intrauterine fetal death. The Bishop score is used to assess whether induction of labour is necessary and includes cervical position, consistency, effacement, dilation, and fetal station. A score of less than 5 indicates that labour is unlikely to start without induction, while a score of 8 or more indicates a high chance of spontaneous labour or response to interventions made to induce labour.
Possible methods of induction include membrane sweep, vaginal prostaglandin E2, oral prostaglandin E1, maternal oxytocin infusion, amniotomy, and cervical ripening balloon. The NICE guidelines recommend vaginal prostaglandins or oral misoprostol if the Bishop score is less than or equal to 6, while amniotomy and an intravenous oxytocin infusion are recommended if the score is greater than 6.
The main complication of induction of labour is uterine hyperstimulation, which refers to prolonged and frequent uterine contractions that can interrupt blood flow to the intervillous space and result in fetal hypoxemia and acidemia. Uterine rupture is a rare but serious complication. Management includes removing vaginal prostaglandins and stopping the oxytocin infusion if one has been started, and considering tocolysis.
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This question is part of the following fields:
- Obstetrics
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Question 26
Incorrect
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A female infant is born prematurely at 32 weeks gestation by emergency cesarean section. She initially appears to be stable. However, over the ensuing 48 hours she develops worsening neurological function. What is the most probable cause of this deterioration?
Your Answer: Extradural haemorrhage
Correct Answer: Intraventricular haemorrhage
Explanation:Understanding Intraventricular Haemorrhage
Intraventricular haemorrhage is a rare condition that involves bleeding into the ventricular system of the brain. While it is typically associated with severe head injuries in adults, it can occur spontaneously in premature neonates. In fact, the majority of cases occur within the first 72 hours after birth. The exact cause of this condition is not well understood, but it is believed to be a result of birth trauma and cellular hypoxia in the delicate neonatal central nervous system.
Treatment for intraventricular haemorrhage is largely supportive, as therapies such as intraventricular thrombolysis and prophylactic cerebrospinal fluid drainage have not been shown to be effective. However, if hydrocephalus and rising intracranial pressure occur, shunting may be necessary. It is important for healthcare professionals to be aware of this condition and its potential complications in order to provide appropriate care for affected patients.
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This question is part of the following fields:
- Paediatrics
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Question 27
Incorrect
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A 65 year-old man, who had recently undergone a full bone marrow transplantation for acute myeloid leukaemia (AML), presented with progressive dyspnoea over the past 2 weeks. There was an associated dry cough, but no fever. Examination revealed scattered wheezes and some expiratory high-pitched sounds. C-reactive protein (CRP) level was normal. Mantoux test was negative. Spirometry revealed the following report:
FEV1 51%
FVC 88%
FEV1/FVC 58%
What is the most likely diagnosis?Your Answer: Infective exacerbation of chronic obstructive pulmonary disease
Correct Answer: Bronchiolitis obliterans (BO)
Explanation:Respiratory Disorders: Bronchiolitis Obliterans, ARDS, Pneumocystis Pneumonia, COPD Exacerbation, and Idiopathic Pulmonary Hypertension
Bronchiolitis obliterans (BO) is a respiratory disorder that may occur after bone marrow, heart, or lung transplant. It presents with an obstructive pattern on spirometry, low DLCO, and hypoxia. CT scan shows air trapping, and chest X-ray may show interstitial infiltrates with hyperinflation. BO may also occur in connective tissue diseases, such as rheumatoid arthritis, and idiopathic variety called cryptogenic organising pneumonia (COP). In contrast, acute respiratory distress syndrome (ARDS) patients deteriorate quickly, and pneumocystis pneumonia usually presents with normal clinical findings. Infective exacerbation of chronic obstructive pulmonary disease (COPD) is associated with a productive cough and raised CRP, while idiopathic pulmonary hypertension has a restrictive pattern and inspiratory fine crepitations.
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This question is part of the following fields:
- Respiratory
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Question 28
Correct
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A 42-year-old woman returns to her GP after attempting lifestyle modifications and pelvic floor exercises for four months without success in managing her urinary stress incontinence. She expresses a desire for additional treatment options but prefers to avoid surgery. What is the next appropriate step in managing this patient?
Your Answer: Prescription of duloxetine
Explanation:If pelvic floor muscle exercises are ineffective and surgical intervention is not desired, duloxetine may be used to manage stress incontinence, as per NICE guidance from 2019. It should be noted that bladder retraining is not recommended for this type of incontinence, and oxybutynin is only indicated for urge incontinence if bladder retraining has failed. Referral for urodynamics testing is also not recommended, with urogynaecology being the preferred option for secondary care. Additionally, NICE does not recommend continuing pelvic floor exercises for an additional 3 months.
Understanding Urinary Incontinence: Causes, Classification, and Management
Urinary incontinence (UI) is a common condition that affects around 4-5% of the population, with elderly females being more susceptible. Several risk factors contribute to UI, including advancing age, previous pregnancy and childbirth, high body mass index, hysterectomy, and family history. UI can be classified into different types, such as overactive bladder (OAB)/urge incontinence, stress incontinence, mixed incontinence, overflow incontinence, and functional incontinence.
Initial investigation of UI involves completing bladder diaries for at least three days, vaginal examination, urine dipstick and culture, and urodynamic studies. Management of UI depends on the predominant type of incontinence. For urge incontinence, bladder retraining and bladder stabilizing drugs such as antimuscarinics are recommended. For stress incontinence, pelvic floor muscle training and surgical procedures such as retropubic mid-urethral tape procedures may be offered. Duloxetine, a combined noradrenaline and serotonin reuptake inhibitor, may also be used as an alternative to surgery.
In summary, understanding the causes, classification, and management of UI is crucial in providing appropriate care for patients. Early diagnosis and intervention can significantly improve the quality of life for those affected by this condition.
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This question is part of the following fields:
- Gynaecology
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Question 29
Incorrect
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A 40-year-old farmer presents to the clinic with muscle pain in his lower back, calves and neck. He takes regular paracetamol but this has not helped his symptoms. For the past four weeks, he has become increasingly agitated and reports that he can no longer sleep for more than a few hours because the pain wakes him up. He feels increasingly lethargic and helpless. He also reports that as a result of his pain, he feels that his memory has worsened and he reports a low mood. A Kessler Psychological Distress Scale screening questionnaire is performed and he has a score of 30. His laboratory blood tests are unremarkable.
What is the most appropriate treatment for this patient?Your Answer: Paracetamol
Correct Answer: Duloxetine
Explanation:Pharmacological Treatments for Fibromyalgia Pain: Choosing the Right Option
Fibromyalgia is a chronic pain disorder that can be challenging to manage. Duloxetine, pregabalin, and tramadol are all appropriate pharmacological treatments for severe pain disturbance in fibromyalgia. However, the choice of which treatment to use depends on the patient’s co-morbidities, clinical presentation, and patient preference.
In this case, the patient has comorbid low mood and possible depression, making duloxetine a reasonable choice. Venlafaxine, another serotonin and norepinephrine reuptake inhibitor, may be theoretically useful, but there is insufficient evidence for its use. Codeine and paracetamol have been shown to be ineffective in treating fibromyalgia pain.
While psychotherapy may be considered for patients with pain-related depression and adverse coping mechanisms, it is not the correct answer for this patient. Overall, choosing the right pharmacological treatment for fibromyalgia pain requires careful consideration of the patient’s individual needs and circumstances.
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This question is part of the following fields:
- Rheumatology
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Question 30
Incorrect
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A 5-year-old girl with confirmed coeliac disease needs a 1-month prescription for gluten-free staple foods.
What would be the most suitable prescription for gluten-free staple foods?Your Answer: 2 kg bread + 1000g pasta + 2 kg oats = 18 units
Correct Answer: 1 kg bread + 750 g pasta + 1 kg oats = 10 units
Explanation:Determining the Correct Gluten Prescription for a Patient
When prescribing gluten for a patient, it is important to follow the National Prescribing Guidelines to ensure the correct amount is given. For example, a combination of 1 kg bread, 750 g pasta, and 1 kg oats would result in 10 units of gluten, which is the recommended amount for a 3-year-old patient. However, it is important to note that regional restrictions may apply, such as in England where only bread/flour mixes can be prescribed.
Other combinations, such as 2 kg bread, 1500 g pasta, and 2 kg oats, would result in double the recommended amount of gluten for a 3-year-old patient. It is also important to consider the patient’s age range, as the recommended amount of gluten varies for different age groups.
In summary, determining the correct gluten prescription for a patient involves following the National Prescribing Guidelines, considering regional restrictions, and taking into account the patient’s age range.
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This question is part of the following fields:
- Gastroenterology
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