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Question 1
Correct
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A 58-year-old man presents to the emergency department with chest pain that has been radiating to his neck and left arm for the past 3 hours. An ECG reveals ST depression in the inferior leads, and a troponin test is ordered. The patient is given aspirin and sublingual nitrates, and a non-ST elevated myocardial infarction is suspected. The physician conducts a risk assessment to determine the patient's 6-month mortality.
What factors are taken into account by the doctor during this calculation?Your Answer: Age, ECG, troponin, renal function
Explanation:To determine the management of NSTEMI, doctors use a risk assessment score such as GRACE. This score takes into account various factors such as age, ECG, troponin, and renal function, as well as blood pressure, heart rate, and whether the patient experienced a cardiac arrest upon presentation. Renal function is particularly important to consider as it is often affected during an AMI. However, lactate and liver function tests are not included in the GRACE score as they are not typically affected by an MI.
Managing Acute Coronary Syndrome: A Summary of NICE Guidelines
Acute coronary syndrome (ACS) is a common and serious medical condition that requires prompt management. The management of ACS has evolved over the years, with the development of new drugs and procedures such as percutaneous coronary intervention (PCI). The National Institute for Health and Care Excellence (NICE) has updated its guidelines on the management of ACS in 2020.
ACS can be classified into three subtypes: ST-elevation myocardial infarction (STEMI), non ST-elevation myocardial infarction (NSTEMI), and unstable angina. The management of ACS depends on the subtype. However, there are common initial drug therapies for all patients with ACS, such as aspirin and nitrates. Oxygen should only be given if the patient has oxygen saturations below 94%, and morphine should only be given for severe pain.
For patients with STEMI, the first step is to assess eligibility for coronary reperfusion therapy, which can be either PCI or fibrinolysis. Patients with NSTEMI/unstable angina require a risk assessment using the Global Registry of Acute Coronary Events (GRACE) tool to determine whether they need coronary angiography (with follow-on PCI if necessary) or conservative management.
This summary provides an overview of the NICE guidelines for managing ACS. The guidelines are complex and depend on individual patient factors, so healthcare professionals should review the full guidelines for further details. Proper management of ACS can improve patient outcomes and reduce the risk of complications.
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This question is part of the following fields:
- Cardiovascular
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Question 2
Correct
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A 30-year-old woman presents with chronic diarrhoea. She says that her stools float and are difficult to flush away.
Investigations reveal the following:
Investigation Result Normal value
Potassium (K+) 3.1 mmol/l 3.5–5.0 mmol/l
Corrected calcium (Ca2+) 2.08 mmol/l 2.20–2.60 mmol/l
Albumin 29 g/l 35–55 g/l
Haemoglobin (Hb) 91 g/l 115–155 g/l
Mean corpuscular volume (MCV) 89 fl 76–98 fl
Coeliac disease is suspected.
Which of the following is the initial investigation of choice?Your Answer: Anti-tissue transglutaminase (anti-TTG)
Explanation:Diagnosis and Investigation of Coeliac Disease
Coeliac disease is a possible diagnosis in patients presenting with chronic diarrhoea and steatorrhoea. The initial investigation of choice is the anti-tissue transglutaminase (anti-TTG) test, which has a sensitivity of over 96%. However, it is important to check immunoglobulin A (IgA) levels concurrently, as anti-TTG is an IgA antibody and may not be raised in the presence of IgA deficiency.
The treatment of choice for coeliac disease is a lifelong gluten-free diet, avoiding gluten-containing foods such as wheat, barley, rye, and oats. Patients with coeliac disease are at increased risk of small bowel lymphoma and oesophageal carcinoma over the long term.
While faecal fat estimation may be useful in estimating steatorrhoea, small bowel biopsy is the gold standard investigation for coeliac disease. However, this would not be the initial investigation of choice as it is invasive. An anti-TTG test is more sensitive and specific than an anti-gliadin test in untreated coeliac disease. Magnesium (Mg2+) levels may be abnormal in coeliac disease, but this would not be diagnostic and therefore not the first investigation of choice.
In summary, the diagnosis of coeliac disease requires a combination of clinical presentation, laboratory investigations, and small bowel biopsy if necessary. The anti-TTG test is the initial investigation of choice, and a gluten-free diet is the treatment of choice.
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This question is part of the following fields:
- Gastroenterology/Nutrition
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Question 3
Correct
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A 56-year-old woman with a recent asthma exacerbation is being seen in clinic. She recently completed a course of prednisolone. Over the past 6 months, she has experienced 5 exacerbations and is currently using her salbutamol inhaler 4 times daily. She is not taking any other medications and there is no wheezing detected during examination. What should be the next course of action in managing her asthma?
Your Answer: Inhaled corticosteroids
Explanation:If an adult with asthma is not able to control their symptoms with a short-acting beta agonist (SABA), the next step in their treatment plan should be to add a low-dose inhaled corticosteroid (ICS). This approach follows the guidelines set out by NICE for managing asthma.
The management of asthma in adults has been updated by NICE in 2017, following the 2016 BTS guidelines. One of the significant changes is in ‘step 3’, where patients on a SABA + ICS whose asthma is not well controlled should be offered a leukotriene receptor antagonist instead of a LABA. NICE does not follow the stepwise approach of the previous BTS guidelines, but to make the guidelines easier to follow, we have added our own steps. The steps range from newly-diagnosed asthma to SABA +/- LTRA + one of the following options, including increasing ICS to high-dose, a trial of an additional drug, or seeking advice from a healthcare professional with expertise in asthma. Maintenance and reliever therapy (MART) is a form of combined ICS and LABA treatment that is only available for ICS and LABA combinations in which the LABA has a fast-acting component. It should be noted that NICE does not recommend changing treatment in patients who have well-controlled asthma simply to adhere to the latest guidance. The definitions of what constitutes a low, moderate, or high-dose ICS have also changed, with <= 400 micrograms budesonide or equivalent being a low dose, 400 micrograms - 800 micrograms budesonide or equivalent being a moderate dose, and > 800 micrograms budesonide or equivalent being a high dose for adults.
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This question is part of the following fields:
- Respiratory Medicine
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Question 4
Correct
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A 45-year-old history teacher has contacted his doctor reporting a one-hour episode of weakness in his left arm and leg earlier today, which has since resolved. He denies any facial drooping, residual weakness, or slurred speech. He insists that he feels completely healthy and only called because his wife urged him to. The patient has a previous diagnosis of a pulmonary embolism and is currently taking apixaban. What is the initial approach to managing this patient?
Your Answer: Urgent admission to the emergency department for urgent CT head
Explanation:Immediate admission for imaging to rule out a hemorrhage is necessary if a patient with suspected TIA is on warfarin, a DOAC, or has a bleeding disorder.
A transient ischaemic attack (TIA) is a brief period of neurological deficit caused by a vascular issue, lasting less than an hour. The original definition of a TIA was based on time, but it is now recognized that even short periods of ischaemia can result in pathological changes to the brain. Therefore, a new ’tissue-based’ definition is now used. The clinical features of a TIA are similar to those of a stroke, but the symptoms resolve within an hour. Possible features include unilateral weakness or sensory loss, aphasia or dysarthria, ataxia, vertigo, or loss of balance, visual problems, and sudden transient loss of vision in one eye (amaurosis fugax).
NICE recommends immediate antithrombotic therapy with aspirin 300 mg unless the patient has a bleeding disorder or is taking an anticoagulant. If the patient has had more than one TIA or has a suspected cardioembolic source or severe carotid stenosis, specialist review is necessary. Urgent assessment is required within 24 hours for patients who have had a suspected TIA in the last 7 days. Referral for specialist assessment is necessary as soon as possible within 7 days for patients who have had a suspected TIA more than a week previously. Neuroimaging and carotid imaging are recommended, and antithrombotic therapy is necessary. Carotid artery endarterectomy should only be considered if the carotid stenosis is greater than 70% according to ECST criteria or greater than 50% according to NASCET criteria.
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This question is part of the following fields:
- Neurology
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Question 5
Correct
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Which one of the following statements regarding endometriosis is false?
Your Answer: Laparoscopic findings correlate well with the severity of symptoms and can guide treatment
Explanation:Understanding Endometriosis
Endometriosis is a common condition where endometrial tissue grows outside of the uterus. It affects around 10% of women of reproductive age and can cause chronic pelvic pain, painful periods, painful intercourse, and subfertility. Other symptoms may include urinary problems and painful bowel movements. Diagnosis is typically made through laparoscopy, and treatment options depend on the severity of symptoms.
First-line treatments for symptomatic relief include NSAIDs and/or paracetamol. If these do not help, hormonal treatments such as the combined oral contraceptive pill or progestogens may be tried. If symptoms persist or fertility is a priority, referral to secondary care may be necessary. Secondary treatments may include GnRH analogues or surgery. For women trying to conceive, laparoscopic excision or ablation of endometriosis plus adhesiolysis is recommended, as well as ovarian cystectomy for endometriomas.
It is important to note that there is poor correlation between laparoscopic findings and severity of symptoms, and that there is little role for investigation in primary care. If symptoms are significant, referral for a definitive diagnosis is recommended.
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This question is part of the following fields:
- Reproductive Medicine
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Question 6
Incorrect
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A 35-year-old woman visits her GP for a check-up of her diabetes medication. During the examination, the GP observes that the patient has unusually large hands and feet and prominent supraorbital ridges. After obtaining consent for a more detailed examination, the GP discovers acanthosis nigricans in the patient's neck, enlargement of her thyroid gland, and hepatomegaly. Besides diabetes, what other condition is frequently linked to acromegaly?
Your Answer: Ulnar nerve entrapment
Correct Answer: Atrial fibrillation
Explanation:Acromegaly is a medical condition caused by hypersecretion of growth hormone, which can lead to various health problems. One of the associated conditions is diabetes mellitus, as acromegaly is often linked with insulin resistance. Another condition is acanthosis nigricans, which involves hyperpigmentation of the skin. However, there is no general pigmentation associated with acromegaly.
Cardiovascular disease is also a common association, which can increase the risk of atrial fibrillation. Left ventricular hypertrophy is another condition that can occur with acromegaly.
Finally, ulnar nerve entrapment is not directly associated with acromegaly, but carpal tunnel syndrome affecting the median nerve is a common association.
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This question is part of the following fields:
- Endocrinology/Metabolic Disease
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Question 7
Incorrect
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A 16-year-old woman who takes insulin for type I diabetes presents to the Emergency Department feeling unwell. She states she has had vomiting and diarrhoea for two days and since she is not eating, she has not been taking her full insulin doses. Her capillary glucose is 37 mmol/l, and there are 4+ ketones on urinalysis. An arterial blood gas is performed, and the results are as follows:
Investigation Result Normal value
pH 7.12 7.35–7.45
Partial pressure of carbon dioxide (pCO2) 3.5 kPa 4.5–6.0 kPa
Partial pressure of oxygen (pO2) 13 kPa 10–14 kPa
Sodium (Na+) 121 mmol/l 135–145 mmol/l
Potassium (K+) 6.2 mmol/l 3.5–5.0 mmol/l
Bicarbonate 13 mmol/l 22–28 mmol/l
Which of the following is the most appropriate initial treatment option?
Select the SINGLE best treatment from the list below.
Your Answer: IV 8.4% sodium bicarbonate bolus
Correct Answer: Intravenous (IV) 0.9% sodium chloride bolus
Explanation:Management of Diabetic Ketoacidosis (DKA)
Diabetic ketoacidosis (DKA) is a serious complication of diabetes that requires prompt treatment. The key principles of DKA management include initial fluid resuscitation with normal saline, followed by an IV insulin infusion at a fixed rate of 0.1 unit/kg per hour. Once the blood glucose level reaches 15 mmol/l, an infusion of 5% dextrose is added. Correction of electrolyte disturbance, particularly hypokalaemia, is also essential.
Empirical IV antibiotics are not useful in DKA unless triggered by an infection, in which case emergency DKA treatment should be started first. An insulin sliding scale is not used in DKA management.
It is important to note that IV 10 units Actrapid and 50 ml 50% dextrose are not used in DKA management. Similarly, IV sodium bicarbonate bolus is not recommended. Instead, careful monitoring of electrolyte levels and appropriate fluid and insulin therapy are crucial for successful management of DKA.
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This question is part of the following fields:
- Endocrinology/Metabolic Disease
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Question 8
Incorrect
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A 70-year-old man with a 25 year history of type 2 diabetes mellitus presents for a check-up. He was diagnosed with chronic kidney disease (secondary to diabetes) 7 years ago and has experienced a gradual decline in renal function since. His current medications include lisinopril 20 mg daily, amlodipine 5mg daily, atorvastatin 20 mg daily, and NovoRapid insulin twice daily.
His most recent renal function tests reveal the following results:
- Sodium: 140 mmol/L
- Potassium: 5.1 mmol/L
- Urea: 9.8 mmol/L
- Creatinine: 130 µmol/L
- eGFR: 38 mL/min/1.73m²
During his clinic visit, his blood pressure is measured at 154/90 mmHg and this is confirmed on a second reading. What adjustments should be made to his blood pressure medication?Your Answer: Add an angiotensin II receptor blocker
Correct Answer: Add indapamide
Explanation:When hypertension is poorly controlled despite taking an ACE inhibitor and a calcium channel blocker, adding a thiazide-like diuretic is recommended. In patients with diabetic nephropathy, achieving tight blood pressure control is crucial. Although ACE inhibitors are the most evidence-based treatment, if blood pressure remains high, the NICE guidelines suggest adding a thiazide-based diuretic such as indapamide. It is important to avoid spironolactone and angiotensin II receptor blockers as they may increase the risk of hyperkalemia.
NICE Guidelines for Managing Hypertension
Hypertension, or high blood pressure, is a common condition that can lead to serious health problems if left untreated. The National Institute for Health and Care Excellence (NICE) has published updated guidelines for the management of hypertension in 2019. Some of the key changes include lowering the threshold for treating stage 1 hypertension in patients under 80 years old, allowing the use of angiotensin receptor blockers instead of ACE inhibitors, and recommending the use of a calcium channel blocker or thiazide-like diuretic in addition to an ACE inhibitor or angiotensin receptor blocker.
The guidelines also provide a flow chart for the diagnosis and management of hypertension. Lifestyle advice, such as reducing salt intake, caffeine intake, and alcohol consumption, as well as exercising more and losing weight, should not be forgotten and is frequently tested in exams. Treatment options depend on the patient’s age, ethnicity, and other factors, and may involve a combination of drugs.
NICE recommends treating stage 1 hypertension in patients under 80 years old if they have target organ damage, established cardiovascular disease, renal disease, diabetes, or a 10-year cardiovascular risk equivalent to 10% or greater. For patients with stage 2 hypertension, drug treatment should be offered regardless of age. The guidelines also provide step-by-step treatment options, including adding a third or fourth drug if necessary.
New drugs, such as direct renin inhibitors like Aliskiren, may have a role in patients who are intolerant of more established antihypertensive drugs. However, trials have only investigated the fall in blood pressure and no mortality data is available yet. Patients who fail to respond to step 4 measures should be referred to a specialist. The guidelines also provide blood pressure targets for different age groups.
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This question is part of the following fields:
- Renal Medicine/Urology
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Question 9
Correct
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A 12-year-old boy is presented for surgery by his mother. He has been experiencing pain in his distal right thigh for the past two weeks, which worsens when he runs. Upon examination, he is found to be overweight and has full mobility in his right knee. He can fully flex his right hip, but internal rotation causes discomfort. What is the probable diagnosis?
Your Answer: Slipped upper femoral epiphysis
Explanation:Common Causes of Hip Problems in Children
Hip problems in children can be caused by a variety of conditions. Developmental dysplasia of the hip is often detected during newborn examinations and can be identified through positive Barlow’s and Ortolani’s tests, as well as unequal skin folds or leg length. Transient synovitis, also known as irritable hip, is the most common cause of hip pain in children aged 2-10 years and is associated with acute hip pain and viral infections.
Perthes disease is a degenerative condition that affects the hip joints of children between the ages of 4-8 years. It is more common in boys and can cause hip pain, stiffness, and reduced range of motion. Slipped upper femoral epiphysis is another condition that typically affects children aged 10-15 years, particularly those who are obese or male. It can cause knee or thigh pain and loss of internal rotation of the leg in flexion.
Juvenile idiopathic arthritis (JIA) is a type of arthritis that occurs in children under 16 years old and lasts for more than three months. Pauciarticular JIA, which affects four or fewer joints, is the most common type and can cause joint pain and swelling, as well as a limp. Finally, septic arthritis is an acute condition that causes hip pain and systemic upset, such as fever and severe limitation of the affected joint.
Overall, hip problems in children can have a variety of causes and should be evaluated by a healthcare professional to determine the appropriate treatment.
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This question is part of the following fields:
- Musculoskeletal
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Question 10
Incorrect
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A 55-year-old man presents with a daytime-average ABPM reading of 162/100 mmHg and a calculated QRISK-3 score of 13.8%. He has no significant past medical history and is of Pakistani background. What initial pharmacological management should be offered, in addition to lifestyle advice?
Your Answer: A statin and an angiotensin-converting enzyme (ACE) inhibitor
Correct Answer: A statin and a calcium-channel blocker
Explanation:NICE Guidelines for Managing Hypertension
Hypertension, or high blood pressure, is a common condition that can lead to serious health problems if left untreated. The National Institute for Health and Care Excellence (NICE) has published updated guidelines for the management of hypertension in 2019. Some of the key changes include lowering the threshold for treating stage 1 hypertension in patients under 80 years old, allowing the use of angiotensin receptor blockers instead of ACE inhibitors, and recommending the use of a calcium channel blocker or thiazide-like diuretic in addition to an ACE inhibitor or angiotensin receptor blocker.
The guidelines also provide a flow chart for the diagnosis and management of hypertension. Lifestyle advice, such as reducing salt intake, caffeine intake, and alcohol consumption, as well as exercising more and losing weight, should not be forgotten and is frequently tested in exams. Treatment options depend on the patient’s age, ethnicity, and other factors, and may involve a combination of drugs.
NICE recommends treating stage 1 hypertension in patients under 80 years old if they have target organ damage, established cardiovascular disease, renal disease, diabetes, or a 10-year cardiovascular risk equivalent to 10% or greater. For patients with stage 2 hypertension, drug treatment should be offered regardless of age. The guidelines also provide step-by-step treatment options, including adding a third or fourth drug if necessary.
New drugs, such as direct renin inhibitors like Aliskiren, may have a role in patients who are intolerant of more established antihypertensive drugs. However, trials have only investigated the fall in blood pressure and no mortality data is available yet. Patients who fail to respond to step 4 measures should be referred to a specialist. The guidelines also provide blood pressure targets for different age groups.
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This question is part of the following fields:
- Cardiovascular
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Question 11
Correct
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You are assessing a 55-year-old man who has been admitted with pneumonia. His medical history indicates that he consumes approximately 70-80 units of alcohol per week. Which medication would be the most suitable to administer to prevent the onset of alcohol withdrawal symptoms?
Your Answer: Chlordiazepoxide
Explanation:Alcohol withdrawal occurs when an individual who has been consuming alcohol chronically suddenly stops or reduces their intake. Chronic alcohol consumption enhances the inhibitory effects of GABA in the central nervous system, similar to benzodiazepines, and inhibits NMDA-type glutamate receptors. However, alcohol withdrawal leads to the opposite effect, resulting in decreased inhibitory GABA and increased NMDA glutamate transmission. Symptoms of alcohol withdrawal typically start at 6-12 hours and include tremors, sweating, tachycardia, and anxiety. Seizures are most likely to occur at 36 hours, while delirium tremens, which includes coarse tremors, confusion, delusions, auditory and visual hallucinations, fever, and tachycardia, peak at 48-72 hours.
Patients with a history of complex withdrawals from alcohol, such as delirium tremens, seizures, or blackouts, should be admitted to the hospital for monitoring until their withdrawals stabilize. The first-line treatment for alcohol withdrawal is long-acting benzodiazepines, such as chlordiazepoxide or diazepam, which are typically given as part of a reducing dose protocol. Lorazepam may be preferable in patients with hepatic failure. Carbamazepine is also effective in treating alcohol withdrawal, while phenytoin is said to be less effective in treating alcohol withdrawal seizures.
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This question is part of the following fields:
- Psychiatry
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Question 12
Incorrect
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An 81-year-old woman presents to the cardiology clinic for a routine follow-up appointment. She has a history of ischaemic heart disease after experiencing a myocardial infarction 3 years ago. Although she denies chest pain, she reports an increase in shortness of breath during physical activity. Upon examination, her vital signs are normal, but there is mild pitting edema up to the knees bilaterally. An echocardiogram reveals mild left ventricular impairment with an estimated ejection fraction of 45%. What is the initial treatment plan for this patient?
Your Answer: Amlodipine and ramipril
Correct Answer: Bisoprolol and ramipril
Explanation:The recommended first-line treatment for patients with heart failure with reduced LVEF is a combination of a beta blocker and an ACE inhibitor. In this case, bisoprolol and ramipril are the appropriate medications to prescribe. The patient’s symptoms, medical history, and reduced left ventricular ejection fraction support this treatment plan. Amlodipine and ramipril, bisoprolol and amlodipine, and bisoprolol and furosemide are not recommended as initial treatments for heart failure with reduced LVEF.
Drug Management for Chronic Heart Failure: NICE Guidelines
Chronic heart failure is a serious condition that requires proper management to improve patient outcomes. In 2018, the National Institute for Health and Care Excellence (NICE) updated their guidelines on drug management for chronic heart failure. The guidelines recommend first-line therapy with both an ACE-inhibitor and a beta-blocker, with clinical judgement used to determine which one to start first. Second-line therapy involves the use of aldosterone antagonists, which should be monitored for hyperkalaemia. SGLT-2 inhibitors are also increasingly being used to manage heart failure with a reduced ejection fraction. Third-line therapy should be initiated by a specialist and may include ivabradine, sacubitril-valsartan, hydralazine in combination with nitrate, digoxin, or cardiac resynchronisation therapy. Other treatments such as annual influenza and one-off pneumococcal vaccines are also recommended.
Overall, the NICE guidelines provide a comprehensive approach to drug management for chronic heart failure. It is important to note that loop diuretics have not been shown to reduce mortality in the long-term, and that ACE-inhibitors and beta-blockers have no effect on mortality in heart failure with preserved ejection fraction. Healthcare professionals should carefully consider the patient’s individual needs and circumstances when determining the appropriate drug therapy for chronic heart failure.
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This question is part of the following fields:
- Cardiovascular
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Question 13
Correct
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A 9-year-old boy with asthma is brought into the GP surgery with a cough and shortness of breath. Examination reveals a respiratory rate of 34 breaths/min, apyrexial, wheeze throughout his chest and a peak expiratory flow rate (PEFR) of half his predicted value.
Which of the following treatments is the best option?
Your Answer: Inpatient management with nebuliser salbutamol and oral steroids
Explanation:Managing Acute Asthma Exacerbations in Children: Treatment Options and Guidelines
When a child experiences an acute asthma exacerbation, prompt and appropriate management is crucial to prevent further complications. Here are some treatment options and guidelines to consider:
Inpatient Management with Nebuliser Salbutamol and Oral Steroids
For severe asthma exacerbations, hospital transfer is necessary. Inpatient management should include nebulised bronchodilators in combination with early oral steroids. A 3-day steroid course is usually sufficient.Manage as Outpatient with Inhaled Salbutamol via Spacer
Mild to moderate acute asthma can be managed with salbutamol via a spacer. Oral steroids should be considered in all children with an acute exacerbation of asthma. However, all children with features of severe or life-threatening asthma should be transferred to a hospital.Outpatient Management with Antibiotics
Antibiotics would be inappropriate for acute asthma exacerbations unless there are clues in the history to suggest a bacterial infection as the cause of exacerbation.Continue Current Medications with No Changes
In severe acute asthma, urgent treatment with nebulisers and transfer to a hospital is necessary.IV Salbutamol
IV salbutamol is second line and considered only if the symptoms have responded poorly to nebulised therapy.British Thoracic Society (BTS)/Scottish Intercollegiate Guidelines Network (SIGN) guidance suggests that all children with features of severe or life-threatening asthma should be transferred to a hospital. The severity of acute asthma in children over 5 can be determined using the BTS severity scoring.
By following these guidelines and treatment options, healthcare professionals can effectively manage acute asthma exacerbations in children and prevent further complications.
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This question is part of the following fields:
- Paediatrics
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Question 14
Incorrect
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A 72-year-old man with a history of atrial fibrillation and essential hypertension visits his GP for a routine blood pressure check. His blood pressure reading is 152/92 and he wants to know if there are any other ways to reduce his risk of stroke. He is not currently taking any medication.
What is the most suitable treatment advice to give him?Your Answer: Aspirin
Correct Answer: Warfarin / NOAC
Explanation:Treatment options for stroke prevention in atrial fibrillation patients: Understanding CHADS-VASc score
Atrial fibrillation (AF) patients with a CHADS-VASc score of 3 or higher require treatment with either warfarin or a novel oral anticoagulant (NOAC) to prevent stroke. Aspirin, clopidogrel, low-molecular-weight heparin, and strict dietary modification are not recommended for stroke prevention in AF patients.
The CHADS-VASc score is used to calculate the risk of stroke in AF patients. The score includes factors such as congestive cardiac failure, hypertension, age, diabetes mellitus, previous stroke or transient ischaemic attack, vascular disease, and sex category. Men with a score of 2 or higher are considered to be at high risk of stroke and should start treatment with warfarin or a NOAC. Men with a score of 1 are considered to be at moderate risk and should consider anticoagulation. Women aged <65 years with no other risk factors are considered to be at low risk and do not require anticoagulation. Clopidogrel is an oral antiplatelet agent used in the prevention of atherosclerotic events in patients with coronary artery disease, peripheral arterial disease, and cerebrovascular disease. It is not recommended for stroke prevention in AF patients. Strict dietary modification is not an appropriate treatment for AF and essential hypertension. Low molecular weight heparins (LMWHs) are not used in the management of AF. They are commonly used in the prevention and treatment of venous thromboembolism, unstable angina, and acute myocardial infarction.
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This question is part of the following fields:
- Cardiovascular
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Question 15
Correct
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A 56-year-old man is admitted to the Emergency Department. His wife reports that he has been experiencing worsening confusion for approximately one week. Upon examination, there are evident indications of chronic liver disease, along with nystagmus and cerebellar ataxia. The patient appears highly confused. His liver function tests (LFTs) are normal except for elevated gamma-glutamyl transferase (GGT), a full blood count reveals macrocytosis, and blood glucose levels are normal. What is the most appropriate diagnosis for this clinical presentation?
Your Answer: Wernicke encephalopathy (WE)
Explanation:Differential Diagnosis for Confusion in a Patient with Alcohol Misuse
Wernicke Encephalopathy (WE), caused by thiamine deficiency and commonly associated with chronic alcoholism, is a serious neurological disorder that presents with a classic triad of ocular findings, cerebellar dysfunction, and confusion. Rapid correction of brain thiamine deficiency is crucial, and treatment is initially administered parenterally. Neurological dysfunction, especially memory and learning impairment, can persist even after treatment, leading to Korsakoff syndrome.
Subdural hematoma, more common in individuals who misuse alcohol, is an important differential diagnosis in cases of acute confusion. However, a history of head injury, even minor, and a headache with or without vomiting are typically present. Acute hematomas present soon after the injury, while chronic hematomas may not present until 2-3 weeks after the trauma.
Acute alcohol poisoning is unlikely in a patient with worsening confusion over the past week. Sudden onset of confusion following an alcohol binge that improves with abstinence is expected.
Hepatic encephalopathy, a spectrum that develops in patients with advanced liver disease, may present with a change in personality, short-term memory loss, or reduced level of consciousness. However, cerebellar signs such as nystagmus and ataxia are not associated with this condition.
Delirium tremens, a rapid onset of confusion as a result of alcohol withdrawal, typically appears three days after abstinence from alcohol and may include visual hallucinations, acute confusion, and tremor. If untreated, seizures may occur. However, the presence of nystagmus and ataxia in this case makes WE the more likely diagnosis.
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This question is part of the following fields:
- Gastroenterology/Nutrition
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Question 16
Incorrect
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A 76-year-old man, who lives alone, presents to his General Practitioner with an extensive itchy, red rash over the trunk, arms and legs, which has been worsening over the preceding three days. He has a past medical history of psoriasis, hypertension and high cholesterol.
On examination, he has an extensive erythematous rash covering much of his body, with evidence of scaling. He has a normal temperature, a blood pressure (BP) of 110/88 mmHg and a pulse of 101 beats per minute.
What is the most appropriate management for this patient, given the likely diagnosis?Your Answer: Topical steroid with vitamin D analogue
Correct Answer: Admit to hospital
Explanation:Management of Erythroderma in an Elderly Patient Living Alone
Erythroderma is a dermatological emergency that requires urgent treatment. In elderly patients who are frail and live alone, hospital admission is necessary. This is the case for an 86-year-old man with a history of psoriasis who presents with erythroderma. Topical emollients and steroids are key in management, but this patient requires intravenous fluids and close monitoring for infection and dehydration. Oral antibiotics are not indicated unless there are signs of infection. A topical steroid with a vitamin D analogue may be appropriate for psoriasis, but urgent assessment by Dermatology in an inpatient setting is necessary. An outpatient appointment is not appropriate for this patient due to his age and living situation.
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This question is part of the following fields:
- Dermatology
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Question 17
Incorrect
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Which one of the following statements regarding the Holmes-Adie pupil is incorrect?
Your Answer: Causes a dilated pupil
Correct Answer: Bilateral in 80% of cases
Explanation:Understanding Holmes-Adie Pupil
Holmes-Adie pupil is a condition that is more commonly observed in women and is considered a benign condition. It is one of the possible causes of a dilated pupil. In about 80% of cases, it affects only one eye. The main characteristic of this condition is a dilated pupil that remains small for an unusually long time after it has constricted. The pupil also reacts slowly to accommodation but poorly or not at all to light.
Holmes-Adie syndrome is a condition that is associated with Holmes-Adie pupil. It is characterized by the absence of ankle and knee reflexes. This condition is not harmful and does not require any treatment.
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This question is part of the following fields:
- Ophthalmology
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Question 18
Correct
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A 61-year-old male presents with a four-month history of gradual slurring of speech and trouble swallowing. The patient reports more difficulty with liquids than solids, frequently choking while drinking water. During the examination, the patient exhibits facial weakness and low-volume speech. Ocular examination shows no signs of ptosis or ophthalmoplegia. What is the probable cause of this patient's symptoms?
Your Answer: Motor neurone disease
Explanation:Motor neurone disease often presents with spared eye movements. This is particularly common in cases of bulbar-onset amyotrophic lateral sclerosis (ALS), where patients may struggle with swallowing liquids more than solids in the early stages. Other symptoms may include facial weakness, hypophonic speech, fasciculations, and reduced jaw jerk reflex (a lower motor neuron sign). In contrast, achalasia typically causes difficulty swallowing both liquids and solids due to a loss of normal peristalsis and failure of the lower sphincter to relax during swallowing. This condition does not typically involve fasciculation of the tongue. Oesophageal carcinoma may also cause difficulty swallowing, but patients usually report difficulty with solids before liquids and may experience constitutional symptoms such as weight loss.
Understanding Motor Neuron Disease: Signs and Diagnosis
Motor neuron disease is a neurological condition that affects both upper and lower motor neurons. It is a rare condition that usually presents after the age of 40 and can manifest in different patterns such as amyotrophic lateral sclerosis, progressive muscular atrophy, and bulbar palsy. The diagnosis of motor neuron disease is based on clinical features, including the presence of fasciculations, the absence of sensory signs, and the combination of upper and lower motor neuron signs. Wasting of the small hand muscles and tibialis anterior is also common.
Other features that can help diagnose motor neuron disease include the absence of external ocular muscle involvement, the absence of cerebellar signs, and preserved abdominal reflexes. Sphincter dysfunction, if present, is usually a late feature. While vague sensory symptoms may occur early in the disease, sensory signs are typically absent.
Nerve conduction studies can help exclude a neuropathy, while electromyography shows a reduced number of action potentials with increased amplitude. MRI is usually performed to exclude other conditions such as cervical cord compression and myelopathy. Understanding the signs and diagnosis of motor neuron disease is crucial for early detection and management of the condition.
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This question is part of the following fields:
- Neurology
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Question 19
Incorrect
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A 65-year-old man presents with gradually worsening exertional dyspnoea and a dry cough over the past year. He quit smoking 25 cigarettes/day about 25 years ago. Upon examination, his oxygen saturation is 96% on room air, respiratory rate is 16/min, and there are fine bibasal crackles. Finger clubbing is also present. The following investigations were conducted:
- B-type natriuretic peptide: 90 pg/ml (< 100pg/ml)
- ECG: sinus rhythm, 68/min
- Spirometry:
- FEV1: 1.6 L (51% of predicted)
- FVC: 1.7 L (40% of predicted)
- FEV1/FVC: 95%
What is the most likely diagnosis?Your Answer: Chronic obstructive pulmonary disease
Correct Answer: Idiopathic pulmonary fibrosis
Explanation:A common scenario for idiopathic pulmonary fibrosis involves a man between the ages of 50 and 70 who experiences worsening shortness of breath during physical activity. Other symptoms may include clubbing of the fingers and a restrictive pattern on spirometry testing. However, a normal B-type natriuretic peptide level suggests that heart failure is not the cause of these symptoms.
Understanding Idiopathic Pulmonary Fibrosis
Idiopathic pulmonary fibrosis (IPF) is a chronic lung condition that causes progressive fibrosis of the interstitium of the lungs. Unlike other causes of lung fibrosis, IPF has no underlying cause. It is typically seen in patients aged 50-70 years and is more common in men.
The symptoms of IPF include progressive exertional dyspnoea, dry cough, clubbing, and bibasal fine end-inspiratory crepitations on auscultation. Diagnosis is made through spirometry, impaired gas exchange tests, and imaging such as chest x-rays and high-resolution CT scans.
Management of IPF includes pulmonary rehabilitation, but very few medications have been shown to be effective. Some evidence suggests that pirfenidone, an antifibrotic agent, may be useful in selected patients. Many patients will eventually require supplementary oxygen and a lung transplant.
The prognosis for IPF is poor, with an average life expectancy of around 3-4 years. CT scans can show advanced pulmonary fibrosis, including honeycombing. While there is no cure for IPF, early diagnosis and management can help improve quality of life and potentially prolong survival.
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This question is part of the following fields:
- Respiratory Medicine
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Question 20
Correct
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A 42-year-old patient with ankylosing spondylitis complains of sudden pain in the right eye and blurry vision. During examination, you observe redness around the cornea and a constricted pupil. Ophthalmoscopy reveals difficulty in visualizing the retina due to the patient's intolerance to bright light, but you do notice a fluid level at the front of the eye. What is the probable diagnosis?
Your Answer: Anterior uveitis
Explanation:Anterior uveitis, also known as iritis, is a type of inflammation that affects the iris and ciliary body in the front part of the uvea. It is a common cause of red eye and is associated with HLA-B27, which may also be linked to other conditions. Symptoms of anterior uveitis include sudden onset of eye discomfort and pain, small or irregular pupils, intense sensitivity to light, blurred vision, redness, tearing, and the presence of pus and inflammatory cells in the front part of the eye. This condition may be associated with ankylosing spondylitis, reactive arthritis, ulcerative colitis, Crohn’s disease, Behcet’s disease, and sarcoidosis. Urgent review by an ophthalmologist is necessary, and treatment may involve the use of cycloplegics and steroid eye drops.
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This question is part of the following fields:
- Ophthalmology
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Question 21
Correct
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A 32-year-old woman with epilepsy complains of acne and bleeding gums. Which medication is most likely responsible for these symptoms?
Your Answer: Phenytoin
Explanation:Side Effects of Common Anticonvulsants
Anticonvulsants are medications used to treat seizures and epilepsy. However, they commonly have side effects that patients should be aware of. Here are some of the common or more serious side effects reported for some of the most commonly prescribed anticonvulsants:
Phenytoin: This medication can cause paraesthesia, gingival hypertrophy, tiredness, acne, hirsutism, coarsening of facial appearance, peripheral neuropathy, Steven-Johnson syndrome, and blood dyscrasias (such as aplastic anaemia and megaloblastic anaemia).
Sodium valproate (Epilim®): Side effects of this medication may include weight gain, thrombocytopenia, transient hair loss, aggression and behavioural changes, ataxia and tremors.
Carbamazepine: Dry mouth, fatigue, hyponatraemia, blood dyscrasia (such as aplastic anaemia), thrombocytopenia, haemolytic anaemia, eosinophilia, dermatitis, gynaecomastia, male infertility, hepatitis, and restlessness are all possible side effects of this medication.
Lamotrigine (Lamictal®): Skin rash and hypersensitivity, blurred vision, dizziness, sleep disturbance, and joint pains are some of the side effects that may occur with this medication.
Levetiracetam (Keppra®): Weight change and anorexia, abdominal pains, nausea, diarrhoea, and anxiety are all possible side effects of this medication.
It’s important to note that gingival hypertrophy and tenderness are common effects of phenytoin, but not the other medications listed. Patients taking phenytoin should be encouraged to maintain good oral hygiene. Overall, patients should be aware of the potential side effects of their anticonvulsant medication and discuss any concerns with their healthcare provider.
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This question is part of the following fields:
- Pharmacology/Therapeutics
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Question 22
Incorrect
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What is the most probable adverse effect experienced by patients who are taking gliclazide?
Your Answer: Cholestasis
Correct Answer: Weight gain
Explanation:Weight gain is the most frequent side-effect observed in patients who take sulfonylureas, although they may experience all of the aforementioned side-effects.
Sulfonylureas are a type of medication used to treat type 2 diabetes mellitus. They work by increasing the amount of insulin produced by the pancreas, but they are only effective if the pancreas is functioning properly. Sulfonylureas bind to a specific channel on the cell membrane of pancreatic beta cells, which helps to increase insulin secretion. However, there are some potential side effects associated with these drugs.
One of the most common side effects of sulfonylureas is hypoglycaemia, which can be more likely to occur with long-acting preparations like chlorpropamide. Weight gain is another possible side effect. In rare cases, sulfonylureas can cause hyponatraemia, which is a condition where the body retains too much water and sodium levels become too low. Other rare side effects include bone marrow suppression, hepatotoxicity (liver damage), and peripheral neuropathy. It is important to note that sulfonylureas should not be used during pregnancy or while breastfeeding.
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This question is part of the following fields:
- Endocrinology/Metabolic Disease
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Question 23
Correct
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A 68-year-old man comes to the clinic complaining of intermittent swallowing difficulties for the past two years. His wife has noticed that he has bad breath and coughs at night. He has a history of type 2 diabetes mellitus but reports that he is generally healthy. Despite having a good appetite, his weight has remained stable. Upon clinical examination, no abnormalities are found. What is the probable diagnosis?
Your Answer: Pharyngeal pouch
Explanation:Esophageal cancer is unlikely due to the individual’s good health and two-year history.
Understanding Pharyngeal Pouch or Zenker’s Diverticulum
A pharyngeal pouch, also known as Zenker’s diverticulum, is a condition where there is a posteromedial diverticulum through Killian’s dehiscence. This triangular area is found in the wall of the pharynx between the thyropharyngeus and cricopharyngeus muscles. It is more common in older patients and is five times more common in men.
The symptoms of pharyngeal pouch include dysphagia, regurgitation, aspiration, neck swelling that gurgles on palpation, and halitosis. To diagnose this condition, a barium swallow combined with dynamic video fluoroscopy is usually done.
Surgery is the most common management for pharyngeal pouch. It is important to address this condition promptly to prevent complications such as aspiration pneumonia. Understanding the symptoms and seeking medical attention early can help in the proper management of pharyngeal pouch.
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This question is part of the following fields:
- Gastroenterology/Nutrition
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Question 24
Incorrect
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A 21-year-old man visits his General Practitioner (GP) with a lump on his eyelid that he has noticed for two days. The GP diagnoses it as a chalazion. What is the most suitable course of action?
Your Answer: Topical antibiotics, eg chloramphenicol ointment
Correct Answer: Apply heat and massage daily
Explanation:Managing Chalazion: Options and Recommendations
Chalazion, also known as meibomian cyst, is a painless inflammatory lesion of the eyelid that contains meibomian secretions. While it is a self-limiting condition, it may become infected and require medical attention. Here are some management options and recommendations for chalazion:
Apply Heat and Massage Daily: The best way to manage chalazion is to apply heat and massage daily to release the oil. This treatment option is effective and usually improves the condition without the need for antibiotics.
Refer to Ophthalmology Urgently: While GPs can manage chalazion, referrals to ophthalmology should be made if the lesion does not improve with treatment or if the GP feels the lesion might be suspicious.
Surgical Incision: If medical management has been unsuccessful, chalazions can be removed surgically by incision and curettage.
Topical Antibiotics: There is no indication for the use of antibiotics in the treatment of chalazion.
Watch and Wait: While chalazions can sometimes resolve with time without treatment, they usually require medical attention. As such, watch and wait is not an appropriate management option.
In summary, applying heat and massage daily is the best way to manage chalazion. Referrals to ophthalmology should be made if necessary, and surgical incision may be required if medical management is unsuccessful. Topical antibiotics are not recommended, and watch and wait is not an appropriate management option.
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This question is part of the following fields:
- Ophthalmology
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Question 25
Incorrect
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A 50-year-old female patient visits the clinic complaining of an itchy rash. During the examination, the doctor observes several purple papular rashes on the flexural surface of her wrists. Additionally, a similar rash is present at the edges of a laceration wound she suffered a week ago. What is the recommended initial treatment for this condition?
Your Answer: Calcitriol ointment
Correct Answer: Hydrocortisone cream
Explanation:Lichen planus is present in this woman, but it appears to be limited in scope. The initial treatment for lichen planus is potent topical steroids. Oral azathioprine or prednisolone is only prescribed if the condition is widespread. Coal tar cream and calcitriol ointment are not effective treatments for lichen planus.
Understanding Lichen Planus
Lichen planus is a skin condition that is believed to be caused by an immune response, although the exact cause is unknown. It is characterized by an itchy, papular rash that typically appears on the palms, soles, genitalia, and flexor surfaces of the arms. The rash often has a polygonal shape and a distinctive white-lines pattern on the surface, known as Wickham’s striae. In some cases, new skin lesions may appear at the site of trauma, a phenomenon known as the Koebner phenomenon.
Oral involvement is common in around 50% of patients, with a white-lace pattern often appearing on the buccal mucosa. Nail changes may also occur, including thinning of the nail plate and longitudinal ridging. Lichenoid drug eruptions can be caused by certain medications, such as gold, quinine, and thiazides.
The main treatment for lichen planus is potent topical steroids. For oral lichen planus, benzydamine mouthwash or spray is recommended. In more extensive cases, oral steroids or immunosuppression may be necessary.
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This question is part of the following fields:
- Dermatology
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Question 26
Correct
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A 32-year-old man has had > 15 very short relationships in the past year, all of which he thought were the love of his life. He is prone to impulsive behaviour such as excessive spending and binge drinking, and he has experimented with drugs. He also engages in self-harm.
Which of the following personality disorders most accurately describes him?Your Answer: Borderline personality disorder
Explanation:Understanding Personality Disorders: Clusters and Traits
Personality disorders can be categorized into three main clusters based on their characteristics. Cluster A includes odd or eccentric personalities such as schizoid and paranoid personality disorder. Schizoid individuals tend to be emotionally detached and struggle with forming close relationships, while paranoid individuals are suspicious and distrustful of others.
Cluster B includes dramatic, erratic, or emotional personalities such as borderline and histrionic personality disorder. Borderline individuals often have intense and unstable relationships, exhibit impulsive behavior, and may have a history of self-harm or suicide attempts. Histrionic individuals are attention-seeking, manipulative, and tend to be overly dramatic.
Cluster C includes anxious personalities such as obsessive-compulsive personality disorder. These individuals tend to be perfectionists, controlling, and overly cautious.
Understanding the different clusters and traits associated with personality disorders can help individuals recognize and seek appropriate treatment for themselves or loved ones.
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This question is part of the following fields:
- Psychiatry
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Question 27
Correct
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A 50-year-old man with a history of gallstone disease comes to the clinic complaining of pain in the right upper quadrant for the past two days. He reports feeling like he has the flu and his wife mentions that he has had a fever for the past day. During the examination, his temperature is recorded as 38.1ºC, blood pressure at 100/60 mmHg, and pulse at 102/min. He experiences tenderness in the right upper quadrant and his sclera have a yellowish tint. What is the most probable diagnosis?
Your Answer: Ascending cholangitis
Explanation:The presence of fever, jaundice, and pain in the right upper quadrant indicates Charcot’s cholangitis triad, which is commonly associated with ascending cholangitis. This combination of symptoms is not typically seen in cases of acute cholecystitis.
Understanding Ascending Cholangitis
Ascending cholangitis is a bacterial infection that affects the biliary tree, with E. coli being the most common culprit. This condition is often associated with gallstones, which can predispose individuals to the infection. Patients with ascending cholangitis may present with Charcot’s triad, which includes fever, right upper quadrant pain, and jaundice. However, this triad is only present in 20-50% of cases. Other common symptoms include hypotension and confusion. In severe cases, Reynolds’ pentad may be observed, which includes the additional symptoms of hypotension and confusion.
To diagnose ascending cholangitis, ultrasound is typically used as a first-line investigation to look for bile duct dilation and stones. Raised inflammatory markers may also be observed. Treatment involves intravenous antibiotics and endoscopic retrograde cholangiopancreatography (ERCP) after 24-48 hours to relieve any obstruction.
Overall, ascending cholangitis is a serious condition that requires prompt diagnosis and treatment. Understanding the symptoms and risk factors associated with this condition can help individuals seek medical attention early and improve their chances of a successful recovery.
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This question is part of the following fields:
- Gastroenterology/Nutrition
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Question 28
Incorrect
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A 29-year-old pregnant woman comes in for her 42-week antenatal check-up. It was previously agreed that she would be induced at 42 weeks if she did not go into labour naturally. She reports normal foetal movements and denies any recent illnesses. She has no relevant medical history and this is her first pregnancy. During the examination, her abdomen is soft with a palpable uterus and a fundal height of 40cm. What is the most crucial aspect to evaluate in this woman?
Your Answer: Cervical effacement
Correct Answer: Bishop score
Explanation:Induction of Labour: Reasons, Methods, and Complications
Induction of labour is a medical process that involves starting labour artificially. It is necessary in about 20% of pregnancies due to various reasons such as prolonged pregnancy, prelabour premature rupture of the membranes, diabetes, pre-eclampsia, and rhesus incompatibility. The Bishop score is used to assess whether induction of labour is required, which takes into account 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 that the cervix is ripe and there is a high chance of spontaneous labour or response to interventions made to induce labour.
There are several methods of induction of labour, including membrane sweep, vaginal prostaglandin E2, maternal oxytocin infusion, amniotomy, and cervical ripening balloon. Membrane sweeping involves separating the chorionic membrane from the decidua by rotating the examining finger against the wall of the uterus. Vaginal prostaglandin E2 is the preferred method of induction of labour, unless there are specific clinical reasons for not using it. Uterine hyperstimulation is the main complication of induction of labour, which refers to prolonged and frequent uterine contractions that can cause fetal hypoxemia and acidemia. In rare cases, uterine rupture may occur, which requires removing the vaginal prostaglandins and stopping the oxytocin infusion if one has been started, and tocolysis with terbutaline.
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This question is part of the following fields:
- Reproductive Medicine
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Question 29
Incorrect
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A 50-year-old woman is admitted to the Surgical Ward with severe loin-to-groin abdominal pain. A computed tomography scan of the kidney, ureter and bladder (CT-KUB) reveals a right-sided renal calculus. During the morning ward round she admits that for the previous few weeks she has been having trouble with increased urinary frequency, thirst, constipation and altered mood.
A diagnosis of primary hyperparathyroidism is suspected. Some blood tests are taken which show:
Investigation Result Normal value
Estimated glomerular filtration rate > 60 ml/min
Adjusted calcium 3.0 mmol/l 2.1–2.6 mmol/l
Phosphate 0.6 mmol/l 0.8–1.4 mmol/l
Parathyroid hormone (PTH) 5.3 pmol/l 1.2–5.8 pmol/l
Which of the following is the definitive management option?
Select ONE option only.Your Answer: Cinacalcet
Correct Answer: Refer for parathyroid surgery
Explanation:Referral for Parathyroid Surgery in Primary Hyperparathyroidism
Primary hyperparathyroidism is a condition where the parathyroid glands produce too much parathyroid hormone (PTH), leading to high levels of calcium in the blood. The National Institute for Health and Care Excellence (NICE) recommends parathyroidectomy as the preferred treatment for most patients with diagnosed primary hyperparathyroidism due to its high cure rates and reduced risk of drug side effects.
Referral for parathyroid surgery is indicated for patients with confirmed hyperparathyroidism who have symptoms of hypercalcaemia, end-organ disease, or an albumin-adjusted serum calcium level of 2.85 mmol/l or above. This patient fits all three criteria and should be referred for parathyroid surgery.
Bisphosphonates and cinacalcet are only indicated when parathyroid surgery is not acceptable, patients are unfit for surgery, or have mild hypercalcaemia and symptoms. Laxatives and watchful waiting are not appropriate management options for hyperparathyroidism.
In conclusion, referral for parathyroid surgery is the most appropriate management option for patients with primary hyperparathyroidism who meet the criteria for surgery.
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This question is part of the following fields:
- Endocrinology/Metabolic Disease
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Question 30
Incorrect
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A 65-year-old man presented to the GP surgery multiple times with a persistent conjunctivitis in one eye. Despite being treated with chloramphenicol and steroid eye drops, the symptoms did not improve. After three weeks, he visited the eye casualty with a constantly teary, painless, and red right eye. Upon examination, it was found that he had decreased visual acuity and mild proptosis in the affected eye. What is the probable diagnosis for this patient?
Your Answer: Anterior uveitis
Correct Answer: Orbital lymphoma
Explanation:If a patient has chronic unilateral conjunctivitis that is not responding to treatment, it could be a sign of orbital lymphoma.
Orbital lymphoma typically has a slow onset of symptoms, which is why it is the most appropriate answer in this situation. If the red eye persists despite treatment, it is important to investigate further to rule out any serious underlying conditions. The other options listed are not applicable as they are associated with a painful red eye.
Conjunctivitis is a common eye problem that is often seen in primary care. It is characterized by red, sore eyes with a sticky discharge. There are two types of infective conjunctivitis: bacterial and viral. Bacterial conjunctivitis is identified by a purulent discharge and eyes that may be stuck together in the morning. On the other hand, viral conjunctivitis is characterized by a serous discharge and recent upper respiratory tract infection, as well as preauricular lymph nodes.
In most cases, infective conjunctivitis is a self-limiting condition that resolves without treatment within one to two weeks. However, topical antibiotic therapy is often offered to patients, such as Chloramphenicol drops given every two to three hours initially or Chloramphenicol ointment given four times a day initially. Alternatively, topical fusidic acid can be used, especially for pregnant women, and treatment is twice daily.
For contact lens users, topical fluoresceins should be used to identify any corneal staining, and treatment should be the same as above. During an episode of conjunctivitis, contact lenses should not be worn, and patients should be advised not to share towels. School exclusion is not necessary.
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This question is part of the following fields:
- Ophthalmology
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