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  • Question 1 - A 20 yr. old male presented after an episode where he had collapsed....

    Incorrect

    • A 20 yr. old male presented after an episode where he had collapsed. This was the second time he has collapsed during the past 3 weeks. His father passed away at the age of 40 due to sudden cardiac death. Echocardiography showed evidence of hypertrophic cardiomyopathy. His 24 hr ECG revealed several short runs of non sustained ventricular tachycardia (VT). Which of the following is the most appropriate management for this patient?

      Your Answer: Atenolol 100mg

      Correct Answer: Implantable cardiovertor defibrillator

      Explanation:

      This patient has a high risk of sudden cardiac death due to a strong family history and non sustained VT. So the most appropriate management is implantable cardiovertor defibrillator.

    • This question is part of the following fields:

      • Cardiology
      58.5
      Seconds

  • Question 2 - From the following responses, what is the commonest cardiovascular abnormality associated with Marfan's...

    Incorrect

    • From the following responses, what is the commonest cardiovascular abnormality associated with Marfan's syndrome of an adult?

      Your Answer:

      Correct Answer: Aortic root dilatation

      Explanation:

      The main cardiovascular manifestations associated with Marfan’s syndrome are aortic dilatation and mitral valve prolapse.

    • This question is part of the following fields:

      • Cardiology
      0
      Seconds

  • Question 3 - Which of the following indicates the opening of tricuspid valve in jugular venous...

    Incorrect

    • Which of the following indicates the opening of tricuspid valve in jugular venous waveform?

      Your Answer:

      Correct Answer: y descent

      Explanation:

      The a wave indicates atrial contraction. The c wave indicates ventricular contraction and the resulting bulging of tricuspid valve into the right atrium during isovolumetric systole. The v wave indicates venous filling. The x descent indicates the atrium relaxation and the movement of the tricuspid valve downward. The y descent indicates the filling of the ventricle after tricuspid opening.

    • This question is part of the following fields:

      • Cardiology
      0
      Seconds

  • Question 4 - A 30 yr. old male patient presented with palpitations that occur randomly at...

    Incorrect

    • A 30 yr. old male patient presented with palpitations that occur randomly at rest. There have however been episodes of fast palpitations and dizziness on exertion. On examination there was a systolic murmur at the apex as well as a prominent apex beat and the chest was clear. Which of the following is LEAST likely to suggest a diagnosis of hypertrophic cardiomyopathy?

      Your Answer:

      Correct Answer: A history of hypertension for 10 years

      Explanation:

      Hypertrophic cardiomyopathy is an autosomal dominant condition. Patients present with sudden cardiac death, dyspnoea, syncope and presyncope, angina, palpitations, orthopnoea and paroxysmal nocturnal dyspnoea, Congestive heart failure and dizziness. Physical findings include double or triple apical impulse, prominent a wave in the JVP, an ejection systolic crescendo-decrescendo murmur and a holosystolic murmur at the apex and axilla of mitral regurgitation.
      ECG shows ST-T wave abnormalities and LVH, axis deviation (right or left), conduction abnormalities (P-R prolongation, bundle-branch block), sinus bradycardia with ectopic atrial rhythm, atrial enlargement, abnormal and prominent Q wave in the anterior precordial and lateral limb leads.
      2D echocardiography shows abnormal systolic anterior leaflet motion of the mitral valve, LVH, left atrial enlargement, small ventricular chamber size, septal hypertrophy with septal-to-free wall ratio greater than 1.4:1, mitral valve prolapse and mitral regurgitation, decreased midaortic flow, partial systolic closure of the aortic valve in midsystole

    • This question is part of the following fields:

      • Cardiology
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  • Question 5 - A 55 yr. old male with a history of myocardial infarction 4 years...

    Incorrect

    • A 55 yr. old male with a history of myocardial infarction 4 years ago, was admitted with a history of fever for the past 2 weeks. On investigation, his echocardiography revealed a small vegetation around the mitral valve. His blood culture was positive for Streptococcus viridans. Which of the following is the most appropriate antibiotic therapy?

      Your Answer:

      Correct Answer: IV benzylpenicillin

      Explanation:

      According to the American Heart Association (AHA) penicillin-susceptible S viridans, S bovis, and other streptococci (MIC of penicillin of ≤0.1 mcg/mL) should be treated with penicillin G or ceftriaxone or penicillin G + a gentamicin combination or vancomycin (if allergy to penicillin).

    • This question is part of the following fields:

      • Cardiology
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      Seconds

  • Question 6 - A 28 yr. old primigravida in her 24th week of pregnancy presented with...

    Incorrect

    • A 28 yr. old primigravida in her 24th week of pregnancy presented with a history of palpitations, which are fast and regular. She doesn't complain of any episodes of collapse. On examination she was well, pulse rate was 102 bpm, which was regular and her blood pressure was 110/70 mmHg. Her JVP was not elevated. Heart sounds were normal. ECH showed sinus tachycardia. Which of the following can be expected because of the  physiological changes which occur in the boy during pregnancy?

      Your Answer:

      Correct Answer: Tachycardia

      Explanation:

      The cardiovascular alterations which occur during pregnancy are for the optimal growth and development of the foetus and help to protect the mother from the risks of delivery, such as haemorrhage. The changes are characterized by an increased vascular volume, cardiac output, and heart rate, with a marked fall in vascular resistance and reduction in blood pressure.

    • This question is part of the following fields:

      • Cardiology
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  • Question 7 - A 50 yr. old male with a history of type II diabetes mellitus...

    Incorrect

    • A 50 yr. old male with a history of type II diabetes mellitus and hypertension presented with exertional dyspnoea and chest pain for 2 weeks. On examination his blood pressure was 145/80 mmHg. On auscultation reversed splitting of the second heart sound and bibasal crepitations were detected. What would be the most likely finding on his ECG?

      Your Answer:

      Correct Answer: Left bundle branch block

      Explanation:

      When closure of the pulmonary valve occurs before the aortic valve, reversed splitting occurs. The causes of reversed splitting are aortic stenosis, hypertrophic cardiomyopathy, left bundle branch block (LBBB), and a ventricular pacemaker.

    • This question is part of the following fields:

      • Cardiology
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  • Question 8 - A 70 yr. old female was brought in by the paramedics after she...

    Incorrect

    • A 70 yr. old female was brought in by the paramedics after she collapsed whilst shopping. She has a tachycardia of 150 bpm and her BP is 100/60 mmHg. Her ECG showed a broad complex tachycardia. Which of the following is more suggestive of a ventricular tachycardia (VT) over a supraventricular tachycardia (SVT) with aberrant conduction?

      Your Answer:

      Correct Answer: Atrioventricular dissociation

      Explanation:

      To differentiate VT from SVT with aberrant conduction the following electrocardiographic features should be looked for:

      Evidence of preceding atrial activity for SVT. Oesophageal leads are helpful if P waves are hidden in the QRS complex.
      QRS duration more than 140 ms for VT.
      QRS morphology: Features of QRS morphology that favour SVT are RBBB or triphasic patterns like rSR in V1 and qRS in V6. Monophasic pattern like R or qR in V1 and rS or QS in V6 or multiple morphology QRS complexes favour VT.
      AV dissociation for VT.

    • This question is part of the following fields:

      • Cardiology
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  • Question 9 - Which of the following describes the reason for the decline of the use...

    Incorrect

    • Which of the following describes the reason for the decline of the use of betablockers as antihypertensives in last few years?

      Your Answer:

      Correct Answer: Less likely to prevent stroke + potential impairment of glucose tolerance

      Explanation:

      According to the latest research, beta blockers are associated with higher incidence of fatal and non-fatal strokes, all cardiovascular events, and cardiovascular mortality. New-onset diabetes also associates with beta blockers.

    • This question is part of the following fields:

      • Cardiology
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  • Question 10 - Which of the following is not an indication for an implantable cardiac defibrillator?...

    Incorrect

    • Which of the following is not an indication for an implantable cardiac defibrillator?

      Your Answer:

      Correct 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 EPS

      Class 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 11 - A 50 yr. old male presented with episodes of collapse during the last...

    Incorrect

    • A 50 yr. old male presented with episodes of collapse during the last month. Each episode persisted for about 2-3 minutes. They were self-limiting and associated with twitching of the limbs. There was no associated tonic-clonic movements, tongue biting, urinary or faecal incontinence. On examination he had reversed splitting of S2 and an ejection systolic murmur at the right sternal border. His electrocardiogram (ECG) showed left ventricular hypertrophy with strain pattern. CXR showed an area of calcification over the cardiac silhouette. Which of the following is the most probable diagnosis of this patient?

      Your Answer:

      Correct Answer: Aortic stenosis

      Explanation:

      The classic triad of symptoms in patients with aortic stenosis is chest pain, heart failure and syncope. Pulsus parvus et tardus, pulsus alternans, hyperdynamic left ventricle, reversed splitting of the S2, prominent S4 and systolic murmur are some of the common findings of aortic stenosis. A calcified aortic valve is found in almost all adults with hemodynamically significant aortic stenosis.

    • This question is part of the following fields:

      • Cardiology
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      Seconds

  • Question 12 - A 25 yr. old male presented with acute severe central chest pain which...

    Incorrect

    • 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:

      Correct 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.

    • This question is part of the following fields:

      • Cardiology
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      Seconds

  • Question 13 - A 54 yr. old patient presented with a dry cough after starting treatment...

    Incorrect

    • A 54 yr. old patient presented with a dry cough after starting treatment for hypertension. He was prescribed ramipril 2.5mg and the dry cough started after that, which disturbed his sleep. His blood pressure was normal. Which of the following is the most appropriate management?

      Your Answer:

      Correct Answer: Stop the ramipril and prescribe candesartan

      Explanation:

      ACE inhibitors are known to cause a dry cough and they should be stopped, to settle the cough. The next drug of choice is an angiotensin receptor blocker such as candesartan.

    • This question is part of the following fields:

      • Cardiology
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      Seconds

  • Question 14 - A 32 yr. old previously well primigravida in her 16th week of pregnancy...

    Incorrect

    • A 32 yr. old previously well primigravida in her 16th week of pregnancy came to the antenatal clinic for a routine review. Her blood pressure was 152/90 mmHg. On her last clinic visit 4 weeks ago her blood pressure was 148/86 mmHg. She was put on ambulatory blood pressure monitoring and her mean blood pressure was 148/88 mmHg. Her urine examination was negative for protein. Which of the following is the most likely diagnosis?

      Your Answer:

      Correct Answer: Pre-existing hypertension

      Explanation:

      Pre-eclampsia is excluded from negative proteinuria. White coat hypertension is excluded with ambulatory blood pressure monitoring. Pregnancy induced hypertension develops after 20 weeks of gestation. So the most likely answer is pre-existing hypertension. She should be investigated for a secondary cause for hypertension.

    • This question is part of the following fields:

      • Cardiology
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  • Question 15 - A 9 year-old boy with central cyanosis underwent cardiac catheterization. His study results...

    Incorrect

    • A 9 year-old boy with central cyanosis underwent cardiac catheterization. His study results were given below:
      • Right atrium 7 mmHg  - Saturation 60 %
      • Right ventricle 110/6 mmHg  - Saturation 55 %
      • Pulmonary artery 20/5 mmHg - Saturation 55 %
      • Left atrium (mean) 9 mmHg - Saturation 98 %
      • Left ventricle 110/80 mmHg - Saturation 87 %
      • Aorta 110/80 mmHg - Saturation 76 %
      Which the following abnormalities are present in this patient?

      Your Answer:

      Correct Answer: Tetralogy of Fallot

      Explanation:

      Based on the provided cardiac catheterization results, the following abnormalities are present in this patient:

      1. Central Cyanosis: The presence of central cyanosis indicates decreased oxygenation of the blood. This is likely due to an intracardiac shunt, causing unoxygenated blood to mix with oxygenated blood.
      2. Right-to-Left Shunt: The saturation readings in the right atrium (60%), right ventricle (55%), and pulmonary artery (55%) are all lower than the expected systemic saturation of 98%. This suggests a right-to-left shunt, allowing deoxygenated blood from the right side of the heart to enter the systemic circulation without passing through the lungs.
      3. Pulmonary Hypertension: The pulmonary artery pressure of 20/5 mmHg is elevated compared to normal values, indicating pulmonary hypertension. This could be secondary to increased pulmonary blood flow or resistance, often seen in the presence of a right-to-left shunt.
      4. Left-to-Right Shunt: Although not explicitly stated in the results, the elevated left atrial pressure (9 mmHg) suggests increased left-sided filling pressures. This could be due to increased blood flow from a left-to-right shunt, which commonly occurs in congenital heart defects.
      5. Normal Left Ventricular Pressure: The left ventricular pressure (110/80 mmHg) falls within normal limits, indicating that the left ventricle is not significantly affected by the shunting.

      Based on these findings, a likely diagnosis would be a congenital heart defect causing a right-to-left shunt, such as Tetralogy of Fallot or Eisenmenger syndrome, resulting in central cyanosis and pulmonary hypertension.

    • This question is part of the following fields:

      • Cardiology
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      Seconds

  • Question 16 - A 65 yr. old male presented with acute ST elevation myocardial infarction and...

    Incorrect

    • 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:

      Correct 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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      Seconds

  • Question 17 - A 60 yr. old female presented after an acute overdose of amiodarone. Her...

    Incorrect

    • A 60 yr. old female presented after an acute overdose of amiodarone. Her blood pressure was 110/70 mmHg and pulse rate was 35 bpm. She was given 500mcg of atropine but there was no response. Which of the following is the most appropriate next step?

      Your Answer:

      Correct Answer: Isoprenaline

      Explanation:

      Permanent pacing is not indicated as the bradycardia is reversible. Temporary pacing is the definite treatment. Isoprenaline can be used until temporary pacing is available.

    • This question is part of the following fields:

      • Cardiology
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      Seconds

  • Question 18 - A 42 yr. old man presented with palpitations and shortness of breath on...

    Incorrect

    • A 42 yr. old man presented with palpitations and shortness of breath on exertion. On examination his lungs were clear and heart sounds were normal. There was a left sided parasternal heave. His electrocardiogram (ECG) revealed atrial fibrillation with right axis deviation. Echocardiography showed dilated right heart chambers. Left and right heart catheterisation study revealed the following: Inferior vena cava Oxygen saturations 63 %, Superior vena cava Oxygen saturations 59 %, Right atrium Oxygen saturations 77 %, Right ventricle Oxygen saturations 78 %, Pulmonary artery Oxygen saturations 82 %, Arterial saturation Oxygen saturations 98 %. What is the most likely diagnosis from the following answers?

      Your Answer:

      Correct Answer: Atrial septal defect

      Explanation:

      Right ventricular volume overload is indicated by a parasternal heave and right axis deviation. Oxygen saturation in right atrium is higher than oxygen saturation of the inferior and superior vena cavae. So the most probable diagnosis is atrial septal defect.

    • This question is part of the following fields:

      • Cardiology
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  • Question 19 - A 34 yr. old male presented with exertional dyspnoea and chest pain for...

    Incorrect

    • A 34 yr. old male presented with exertional dyspnoea and chest pain for the past 2 weeks. On examination there was a mid-systolic murmur which is best heard at the apex and double apical impulse. His ECG showed left ventricular hypertrophy (LVH). What is the risk factor which would be most indicative of the potential for sudden death in this patient?

      Your Answer:

      Correct Answer: Degree of left ventricular hypertrophy

      Explanation:

      The history is suggestive of hypertrophic obstructive cardiac myopathy. The degree of left ventricular hypertrophy is strongly associated with sudden cardiac death.

    • This question is part of the following fields:

      • Cardiology
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  • Question 20 - A 28 yr. old primigravida in her 24th week of pregnancy came for...

    Incorrect

    • A 28 yr. old primigravida in her 24th week of pregnancy came for the routine follow up. She was asymptomatic at the time of examination. Her blood pressure was 152/92 mmHg and pulse rate was 90 bpm. Her blood pressure at the booking visit had been 132/80 mmHg. Her other examination findings were normal. Which of the following is the best method to use to treat her?

      Your Answer:

      Correct Answer: Labetalol

      Explanation:

      Methyldopa is the drug of first choice for the control of mild to moderate hypertension in pregnancy. Labetalol is also considered as a first line drug for hypertension in pregnancy. Calcium channel blockers and hydralazine are considered as second line drugs. Beta-blockers (except labetalol), angiotensin receptor blockers, angiotensin-converting enzyme inhibitors and thiazides are not recommended.

    • This question is part of the following fields:

      • Cardiology
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  • Question 21 - A 50 yr. old male patient was started on amiodarone. Prior to commencement,...

    Incorrect

    • A 50 yr. old male patient was started on amiodarone. Prior to commencement, his blood urea and electrolytes were checked. What is the reason for doing this investigation before starting amiodarone?

      Your Answer:

      Correct Answer: To detect hypokalaemia

      Explanation:

      Any antiarrhythmic drugs can potentially cause arrhythmias. Before starting amiodarone, any electrolyte imbalance including hypokalaemia, hypomagnesemia, or hypocalcaemia should be corrected to prevent any arrhythmias.

    • This question is part of the following fields:

      • Cardiology
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  • Question 22 - A 25 yr. old previously well female, in her 10th week of pregnancy...

    Incorrect

    • A 25 yr. old previously well female, in her 10th week of pregnancy presented with a left sided painful calf swelling. An ultrasound scan revealed deep venous thrombosis (DVT) of her left leg. Which of the following is the most appropriate management of this patient?

      Your Answer:

      Correct Answer: Initiate and then continue treatment with heparin until delivery

      Explanation:

      Warfarin is contraindicated during pregnancy due to its teratogenic effects. She should be given heparin throughout her pregnancy. It can be converted to warfarin if necessary after the delivery.

    • This question is part of the following fields:

      • Cardiology
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  • Question 23 - A 40 yr. old female presented with palmar xanthomas and tuberoeruptive xanthomas on...

    Incorrect

    • A 40 yr. old female presented with palmar xanthomas and tuberoeruptive xanthomas on her elbows and knees. Which of the following is the most probable diagnosis?

      Your Answer:

      Correct Answer: Type III hyperlipoproteinaemia

      Explanation:

      Palmar xanthomas and tuberoeruptive xanthomas are found in type III hyperlipoproteinemia (dysbetalipoproteinemia,broad-beta disease, remnant removal disease)

    • This question is part of the following fields:

      • Cardiology
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  • Question 24 - A 54 yr. old heavy smoker presented with acute chest pain for 3...

    Incorrect

    • A 54 yr. old heavy smoker presented with acute chest pain for 3 hrs which associated with excessive sweating and vomiting. His past medical history was unremarkable but his father has passed away due to a heart attack at the age of 50. Examination findings were normal and ECG was also normal. He was pain free after 12 hours from admission. What is the most appropriate investigation that cab be done at this moment?

      Your Answer:

      Correct Answer: Troponin T

      Explanation:

      The positive family history and the smoking make him an ideal candidate for a myocardial infarction. The chest pain is also a suggestive symptom. So troponin is needed to rule out MI.

    • This question is part of the following fields:

      • Cardiology
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  • Question 25 - A 32 yr. old primigravida in her 37th week of pregnancy was admitted...

    Incorrect

    • A 32 yr. old primigravida in her 37th week of pregnancy was admitted for the management of pre-eclampsia. Her blood pressure was 180/110 mmHg and urine protein was +++. Magnesium sulphate was started. Which of the following are important parameters that should be monitored during the administration of magnesium sulphate?

      Your Answer:

      Correct Answer: Reflexes + respiratory rate

      Explanation:

      The clinical effect and toxicity of MgSO4 can be linked to its concentration in plasma. A concentration of 1.8 to 3.0 mmol/L has been suggested for treatment of eclamptic convulsions. Maternal toxicity is rare when MgSO4 is carefully administered and monitored. The first warning of impending toxicity in the mother is loss of the patellar reflex at plasma concentrations between 3.5 and 5 mmol/L. Respiratory paralysis occurs at 5 to 6.5 mmol/L. Cardiac conduction is altered at greater than 7.5 mmol/L, and cardiac arrest can be expected when concentrations of magnesium exceed 12.5 mmol/L. Careful attention to the monitoring guidelines can prevent toxicity. Deep tendon reflexes, respiratory rate, urine output and serum concentrations are the most commonly monitored parameters.

    • This question is part of the following fields:

      • Cardiology
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  • Question 26 - A 60 yr. old male presented with ventricular tachycardia which was successfully cardioverted....

    Incorrect

    • A 60 yr. old male presented with ventricular tachycardia which was successfully cardioverted. To check whether he had prolonged QT interval, which of the following is the most appropriate method to measure the QT interval in ECG?

      Your Answer:

      Correct Answer: Time between the start of the Q wave and the end of the T wave

      Explanation:

      The QT interval is the time from the start of the Q wave to the end of the T wave. It represents the time taken for ventricular depolarisation and repolarisation. The QT interval should be measured in either lead II or V5-6.

    • This question is part of the following fields:

      • Cardiology
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  • Question 27 - A 72 yr. old female patient with a history of atrial fibrillation was...

    Incorrect

    • 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:

      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.

    • This question is part of the following fields:

      • Cardiology
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  • Question 28 - A 18 yr. old male was screened for hypertrophic cardiomyopathy (HOCM) as his...

    Incorrect

    • A 18 yr. old male was screened for hypertrophic cardiomyopathy (HOCM) as his brother had the same condition. What is the echocardiographic finding that is related to the highest risk of sudden cardiac death?

      Your Answer:

      Correct Answer: Significant thickening of the interventricular septum

      Explanation:

      There are five prognostic factors which indicate poor prognosis in HOCM:
      -family history of HOCM-related sudden cardiac death
      -unexplained recent syncope
      -large left ventricular wall thickness (MLVWT ≥ 30 mm)
      -multiple bursts of nsVT on ambulatory electrocardiography
      -hypotensive or attenuated blood pressure response to exercise

    • This question is part of the following fields:

      • Cardiology
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  • Question 29 - A 80 yr. old male with hypertension presented with his second episode of...

    Incorrect

    • 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:

      Correct Answer: Continue lifelong warfarin

      Explanation:

      CHA₂DS₂-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 30 - A 62 yr. old male presented with worsening breathlessness and fatiguability. On examination...

    Incorrect

    • 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:

      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.

    • This question is part of the following fields:

      • Cardiology
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