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Question 1
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A 30 yr. old male was brought in with a history of a stab injury to left chest. He was complaining of chest pain. On examination he was tachycardic, hypotensive and had an elevated JVP, pulsus paradoxus and muffled heart sounds. Respiratory examination was unremarkable. Which of the following is most probable diagnosis?
Your Answer: Cardiac tamponade
Explanation:Becks triad (hypotension, elevated systemic venous pressure, often with jugular venous distention and muffled heart sounds) is a characteristic collection of clinical findings found in cardiac tamponade. Pulsus paradoxus is also associated with it. The history and clinical findings in this scenario are compatible with the diagnosis of cardica tamponade. The normal respiratory examination excludes tension pneumothorax.
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This question is part of the following fields:
- Cardiology
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Question 2
Incorrect
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A 62 yr. old male presented with worsening breathlessness and fatiguability. On examination there was bilateral ankle swelling and pulsatile liver. Auscultation revealed a pansystolic murmur best heard at the lower left sternal border. Which of the following is the most probable diagnosis?
Your Answer: Mitral regurgitation
Correct Answer: Tricuspid regurgitation
Explanation:All the clinical features are suggestive of tricuspid regurgitation. The pansystolic murmur of mitral regurgitation is best heard at the apex.
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This question is part of the following fields:
- Cardiology
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Question 3
Correct
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Which of the following is not an indication for an implantable cardiac defibrillator?
Your Answer: Wolff-Parkinson White syndrome
Explanation:Class I indications (i.e., the benefit greatly outweighs the risk, and the treatment should be administered): -Structural heart disease, sustained VT
-Syncope of undetermined origin, inducible VT or VF at electrophysiologic study (EPS)
-Left ventricular ejection fraction (LVEF) ≤35% due to prior MI, at least 40 days post-MI, NYHA class II or III
-LVEF ≤35%, NYHA class II or III
-LVEF ≤30% due to prior MI, at least 40 days post-MI
-LVEF ≤40% due to prior MI, inducible VT or VF at EPSClass IIa indications (i.e., the benefit outweighs the risk and it is reasonable to administer the treatment):
-Unexplained syncope, significant LV dysfunction, nonischaemic cardiomyopathy
-Sustained VT, normal or near-normal ventricular function
-Hypertrophic cardiomyopathy with 1 or more major risk factors
-Arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) with 1 or more risk factors for sudden cardiac death (SCD)
-Long QT syndrome, syncope or VT while receiving beta-blockers
-Nonhospitalized patients awaiting heart transplant
-Brugada syndrome, syncope or VT
-Catecholaminergic polymorphic VT, syncope or VT while receiving beta-blockers
-Cardiac sarcoidosis, giant cell myocarditis, or Chagas disease -
This question is part of the following fields:
- Cardiology
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Question 4
Incorrect
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A 80 yr. old male with hypertension presented with his second episode of atrial fibrillation. He was warfarinised and discharged. Later he was reviewed and found to be in sinus rhythm. Which of the following is the most appropriate next step?
Your Answer: Continue warfarin for 1 month
Correct Answer: Continue lifelong warfarin
Explanation:CHAâ‚‚DSâ‚‚-VASc score is used for atrial fibrillation stroke risk calculation.
Congestive heart failure – 1 point
Hypertension – 1 point
Age ≥75 years – 2 points
Diabetes mellitus – 1 point
Stroke/Transient Ischemic Attack/Thromboembolic event – 2 points
Vascular disease (prior MI, PAD, or aortic plaque) – 1 point
Age 65 to 74 years – 1 point
Sex category (i.e., female sex) – 1 point
A score of 2 or more is considered as high risk and anticoagulation is indicated. This patient’s score is 3, so he needs life long warfarin to prevent stroke. -
This question is part of the following fields:
- Cardiology
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Question 5
Incorrect
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A 72 yr. old female patient with a history of atrial fibrillation was admitted with recurrent episodes of syncopal attacks. Her ECG showed torsade de pointes. What is the drug which does not cause the above presentation?
Your Answer: Amiodarone
Correct Answer: Omeprazole
Explanation:Drugs causing torsades de pointes are Amiodarone, Chlorpromazine, Clarithromycin, Disopyramide, Dofetilide, Erythromycin, Haloperidol, Methadone, Procainamide, Quinidine, Sotalol, Levofloxacin, Moxifloxacin, Nilotinib, Ondansetron, Ranolazine, Sunitinib, Ziprasidone, Amitriptyline, Ciprofloxacin, Imipramine, Chlorthalidone, Dasatinib, Hydrochlorothiazide, Furosemide.
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This question is part of the following fields:
- Cardiology
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Question 6
Correct
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A 65 yr. old male presented with acute ST elevation myocardial infarction and thrombolysis was planned. Which of the following is an absolute contraindication for thrombolysis?
Your Answer: Intracerebral Haemorrhage
Explanation:Absolute contraindications for fibrinolytic use in STEMI
Prior intracranial haemorrhage (ICH)
Known structural cerebral vascular lesion
Known malignant intracranial neoplasm
Ischemic stroke within 3 months
Suspected aortic dissection
Active bleeding or bleeding diathesis (excluding menses)
Significant closed head trauma or facial trauma within 3 months
Intracranial or intraspinal surgery within 2 months
Severe uncontrolled hypertension (unresponsive to emergency therapy)
For streptokinase, prior treatment within the previous 6 months -
This question is part of the following fields:
- Cardiology
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Question 7
Correct
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Which of the following is not associated with atrial myxoma?
Your Answer: J wave on ECG
Explanation:J waves in an ECG is associated with hypothermia, hypercalcemia, the Brugada syndrome, and idiopathic ventricular fibrillation. The other responses are all associated with atrial myxoma
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This question is part of the following fields:
- Cardiology
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Question 8
Correct
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A 45 yr. old male was discharged recently after treatment of bleeding peptic ulcers. 3 days after discharge he was readmitted complaining of acute severe chest pain for the past 1 hour. His ECG showed an acute ST elevation myocardial infarction. His FBC, blood urea, serum electrolytes and serum creatinine were within normal ranges. Faecal occult blood was negative. Which of the following is the most appropriate management for this patient?
Your Answer: Primary angioplasty
Explanation:The patient has a recent history of bleeding peptic ulcer disease, which is an absolute contraindication for thrombolysis. So he should be offered primary angioplasty.
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This question is part of the following fields:
- Cardiology
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Question 9
Correct
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A 25 yr. old male presented with acute severe central chest pain which radiated backwards between his scapulae. He didn't have difficulty in breathing and the pain wasn't exacerbated by deep inspiration or a change in position. His father had died due to a heart disease when he was small. He also has a cardiac murmur which was never properly investigated. On examination he was tachycardic with a BP of 165/60 mmHg. There was a diastolic murmur at lower left sternal border which is best heard with the patient sitting forward. Which of the following is the most probable cause for his chest pain?
Your Answer: Aortic dissection
Explanation:The most probable diagnosis is Marfan’s syndrome because of a family history of cardiac death and heart murmurs. A characteristic feature is pain which radiates to the back. A wide pulse pressure and a diastolic heart murmur is suggestive of aortic dissection.
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This question is part of the following fields:
- Cardiology
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Question 10
Incorrect
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What is correct statement regarding pulsus alternans?
Your Answer: The pulse is irregular
Correct Answer: It is found in association with a third heart sound
Explanation:Pulsus alternans is the alternation of one strong and one weak beat without a change in the cycle length. It occurs most commonly in heart failure due to increased resistance to LV ejection, as occurs in hypertension, aortic stenosis, coronary atherosclerosis, and dilated cardiomyopathy. Pulsus alternans is usually associated with an S3 gallop, which is associated with a poor prognosis. It usually disappears with treatment of the heart failure.
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This question is part of the following fields:
- Cardiology
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