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  • Question 1 - A previously well 33 yr. old female is admitted with a history of...

    Correct

    • A previously well 33 yr. old female is admitted with a history of recurrent episodes of palpitations. She has not experience chest pain but rather a feeling of a rapidly beating heart. She frequently drinks coffee and alcohol. Her blood pressure is 120/80 mmHg and pulse rate 200 bpm which is regular. There is no sign of heart failure. Her ECG reveals a narrow complex tachycardia. She is given 3mg of IV adenosine but there is no response. Which of the following is the most appropriate management if she doesn't respond to 6mg of IV adenosine?

      Your Answer: 12mg IV adenosine

      Explanation:

      If 3mg of adenosine has no effect, then adenosine 6 mg can be given by rapid IV push. If patient does not convert to a normal rhythm, give another dose of adenosine 12 mg via rapid IV push. This can be repeated if there is no response. If no response, diltiazem or beta-blockers can be given as alternatives.

    • This question is part of the following fields:

      • Cardiology
      13.2
      Seconds

  • Question 2 - Which of the following is not associated with right axis deviation? ...

    Correct

    • Which of the following is not associated with right axis deviation?

      Your Answer: Wolf-Parkinson-White syndrome with right-sided accessory pathway

      Explanation:

      Causes for right axis deviation:
      -Right ventricular hypertrophy and Left posterior fascicular block
      -Lateral myocardial infarction.
      -Acute or chronic lung diseases: Pulmonary embolism, pulmonary hypertension, chronic obstructive pulmonary disease (COPD), cor pulmonale.
      -Congenital heart disease (e.g., dextrocardia, secundum atrial septal defect).
      -Wolff-Parkinson-White syndrome.
      -Ventricular ectopic rhythms (e.g., ventricular tachycardia).

    • This question is part of the following fields:

      • Cardiology
      17.1
      Seconds

  • Question 3 - A 20 yr. old male presented after an episode where he had collapsed....

    Correct

    • 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: 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
      32.4
      Seconds

  • Question 4 - A 60 yr. old man with previous history of myocardial infarction and hypertension...

    Correct

    • A 60 yr. old man with previous history of myocardial infarction and hypertension presented with severe retrosternal chest pain for the past 2 hours. During initial management he collapsed and pulseless ventricular tachycardia was detected. The external defibrillator arrived in 3 minutes. From the following answers, what is the most appropriate immediate management of this patient?

      Your Answer: He should be given a precordial thump

      Explanation:

      A precordial thumb is not routinely recommended because of its very low success rate for cardioversion of a shockable rhythm. It’s only recommended when there is a delay in getting the defibrillator.

    • This question is part of the following fields:

      • Cardiology
      16.4
      Seconds

  • Question 5 - 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: Percussion pacing

      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
      15.9
      Seconds

  • Question 6 - A 40 yr. old female presented with palmar xanthomas and tuberoeruptive xanthomas on...

    Correct

    • 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: 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
      4.1
      Seconds

  • Question 7 - A 24 yr. old male with a history of a cardiac murmur which...

    Correct

    • A 24 yr. old male with a history of a cardiac murmur which was not properly followed up, presented with right sided hemiparesis. His blood pressure was 120/70 mmHg. His ECG revealed right bundle branch block with right axis deviation. Which of the following is the most likely cause for this presentation?

      Your Answer: Ostium secundum atrial septal defect

      Explanation:

      Ostium secundum atrial septal defects are known to cause stroke due to the passage of emboli from the right sided circulation to the left sided circulation. ECG shows tall, peaked P waves (usually best seen in leads II and V2) and prolongation of the PR interval, rSR pattern in leads V3 R and V1 as well as right axis deviation.

    • This question is part of the following fields:

      • Cardiology
      22.8
      Seconds

  • Question 8 - A 60 yr. old patient with hypertension attended his regular clinic. His compliance...

    Correct

    • A 60 yr. old patient with hypertension attended his regular clinic. His compliance was poor. His blood pressure was 180/100 mmHg. His pulse rate was 85 bpm which was irregularly irregular. On examination there was bibasal crepitation. No murmurs were heard. What is the most likely cause for these findings?

      Your Answer: Left ventricular hypertrophy

      Explanation:

      Left ventricular hypertrophy due to long standing hypertension is the most probable cause. The irregularly irregular pulse was suggestive of atrial fibrillation, which is due to diastolic dysfunction. Poor ventricular filling causes pulmonary congestion which manifests as bibasal crepitations.

    • This question is part of the following fields:

      • Cardiology
      26
      Seconds

  • Question 9 - A 50 yr. old male presented with acute severe central chest pain and...

    Correct

    • A 50 yr. old male presented with acute severe central chest pain and acute ST elevation myocardial infarction was diagnosed. He was treated with streptokinase. 2 days later he was sweating excessively and he was found to be hypotensive. Which of the following cannot be considered as a reason for this presentation?

      Your Answer: Hypotensive effect of streptokinase

      Explanation:

      Hypotensive effect of streptokinase occurs during the streptokinase infusion which is usually transient. Acute mitral regurgitation due to rupture of papillary muscles, ventricular septal defects and reinfarctions (left or right) are known to cause hypotension after 24 hrs. Pulmonary embolism is less likely but cannot be excluded.

    • This question is part of the following fields:

      • Cardiology
      12
      Seconds

  • Question 10 - A 35 yr. old female with systemic lupus erythematosus (SLE) was brought to...

    Correct

    • A 35 yr. old female with systemic lupus erythematosus (SLE) was brought to Casualty, complaining of chest pain and worsening difficulty in breathing for the past 36 hrs. On examination she was tachypnoeic, her BP was 85/65 mmHg and peripheral oxygen saturation was 98% on air. Her cardiac examination was normal but her jugular venous pressure was elevated. She didn't have ankle oedema. Her ECG showed sinus tachycardia and her CXR showed clear lung fields with a slightly enlarged heart. Which of the following is the most appropriate next step?

      Your Answer: Urgent transthoracic echocardiogram

      Explanation:

      Acute breathlessness in SLE can be due to a pericardial effusion or a pulmonary embolism. Normal peripheral oxygen saturation and normal ECG, make the diagnosis of pulmonary embolism less likely. To exclude pericardial effusion, an urgent transthoracic echocardiogram is needed.

    • This question is part of the following fields:

      • Cardiology
      19.4
      Seconds

  • Question 11 - 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: Right-to-left shunt

      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
      24.8
      Seconds

  • Question 12 - A 60 yr. old man presented with severe central chest pain for the...

    Correct

    • A 60 yr. old man presented with severe central chest pain for the last 2 hours. He was on insulin for diabetes mellitus and he was dependent on haemodialysis because of end stage renal failure. He had undergone haemodialysis 48 hours prior to this presentation. His ECG showed an acute inferior myocardial infarction. Despite thrombolysis and other appropriate treatment, he continued to have chest pain after 6 hours from the initial presentation. His blood pressure was 88/54 mmHg and he had bibasal crepitations. His investigation results are given below. Serum sodium 140 mmol/l (137-144), Serum potassium 6.6 mmol/l (3.5-4.9), Serum urea 50 mmol/l (2.5-7.5), Serum creatinine 940 μmol/l (60-110), Haemoglobin 10.2g/dl (13.0-18.0), Troponin T >24 g/l (<0.04), Left ventricular ejection fraction was 20%. What is the most appropriate management for this patient?

      Your Answer: Coronary angiography and rescue PCI

      Explanation:

      According to the history the patient has cardiogenic shock and pulmonary oedema. On-going ischaemia is indicated by persisting symptoms. So the most appropriate management is coronary angiography and rescue PCI. There are no indications for blood transfusion at this moment and it will aggravate the pulmonary oedema. Haemodialysis, beta blockers and furosemide cannot be given due to low blood pressure.

    • This question is part of the following fields:

      • Cardiology
      19.9
      Seconds

  • Question 13 - A 60 yr. old male with no past medical history presented to Casualty...

    Correct

    • A 60 yr. old male with no past medical history presented to Casualty with acute chest pain. ST elevation myocardial infarction (STEMI) is diagnosed following an ECG on arrival. He was subsequently successfully thrombolysed. Which of the following combinations of drugs is the most suitable combination for him to be taking 4 weeks after his STEMI?

      Your Answer: ACE inhibitor + beta-blocker + statin + aspirin + clopidogrel

      Explanation:

      According to NICE guidelines (2013) all people who have had an acute MI, treatment should be offered with ACE inhibitor, dual antiplatelet therapy (aspirin plus a second antiplatelet agent), beta-blocker and a statin.

    • This question is part of the following fields:

      • Cardiology
      14.7
      Seconds

  • Question 14 - A 30 yr. old male with Down's Syndrome was found to have a...

    Correct

    • A 30 yr. old male with Down's Syndrome was found to have a systolic murmur during routine clinical examination. Which of the following is the most common cardiac defect associated with Down's Syndrome which will explain this finding?

      Your Answer: Endocardial cushion defect

      Explanation:

      Atrioventricular septal defect (AVSD) also known as endocardial cushion defect is the most common cardiac abnormality in Down’s Syndrome.

    • This question is part of the following fields:

      • Cardiology
      44.5
      Seconds

  • Question 15 - A 65 yr. old heavy smoker presented with acute central chest pain for...

    Incorrect

    • A 65 yr. old heavy smoker presented with acute central chest pain for 2 hours. Which of the following ECG findings is an indication for thrombolysis in this patient?

      Your Answer: 2 mm ST depression in all chest leads

      Correct Answer: 1 mm ST elevation in 2 limb leads

      Explanation:

      Thrombolytic therapy is indicated in patients with evidence of ST-segment elevation MI (STEMI) or presumably new left bundle-branch block (LBBB) presenting within 12 hours of the onset of symptoms if there are no contraindications to fibrinolysis. STEMI is defined as new ST elevation at the J point in at least two contiguous leads of 2 mm (0.2 mV) or more in men or 1.5 mm (0.15 mV) in women in leads V2-V3 and/or 1 mm (0.1 mV) or more in other contiguous limb leads.

    • This question is part of the following fields:

      • Cardiology
      7.6
      Seconds

  • Question 16 - A 60 yr. old previously well male was admitted with a suspected pulmonary...

    Correct

    • A 60 yr. old previously well male was admitted with a suspected pulmonary embolism. On examination his BP was 130/80 mmHg and pulse rate was 88 bpm. His CXR was normal. He was treated with low molecular weight heparin. Which of the following is the most appropriate initial lung investigation for this patient?

      Your Answer: Computed tomographic pulmonary angiography

      Explanation:

      Computed tomographic pulmonary angiography (CTPA) is the standard investigative tool, used for diagnosing a pulmonary embolism. Pulmonary angiography is indicated if CTPA is not available.

    • This question is part of the following fields:

      • Cardiology
      6.5
      Seconds

  • Question 17 - A 25 yr. old female presented with a history of sudden collapse. She...

    Incorrect

    • A 25 yr. old female presented with a history of sudden collapse. She had been playing netball and had suddenly collapsed. This collapse had been accompanied by a brief period of loss of consciousness. She experienced palpitations for a brief period prior to losing consciousness. On examination her BP was 120/70 mmHg and pulse rate was 72 bpm, which was regular. The rest of the examination was also normal. She had similar experience of collapse, about two years ago. She was well except for these two incidents and she has not been on any medication. All the investigations done at the first presentation (2 years ago), including FBC, ECG and echocardiography were normal. Her ECG done at this presentation revealed QT prolongation of 0.50 s. FBC, CXR and other investigations were normal. Which of the following is the best way of managing this patient?

      Your Answer: Start her on a calcium channel blocker

      Correct Answer: Start on a beta-blocker

      Explanation:

      Beta-blockers are drugs of choice for patients with LQTS. The protective effect of beta-blockers is related to their adrenergic blockade, which diminishes the risk of cardiac arrhythmias. They may also reduce the QT interval in some patients.

    • This question is part of the following fields:

      • Cardiology
      29.4
      Seconds

  • Question 18 - A 28 yr. old primigravida in her 24th week of pregnancy presented with...

    Correct

    • 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: 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
      11.2
      Seconds

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

    Correct

    • 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: 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
      51.6
      Seconds

  • Question 20 - A 85 yr. old male with a history of hypertension presented with a...

    Incorrect

    • A 85 yr. old male with a history of hypertension presented with a couple of pre-syncopal episodes. He describes these episodes as him having felt as if he was going to faint and he has had to sit down. There were no precipitating factors, associated chest pain or palpitations. He doesn't have chest pain, shortness of breath on exertion, orthopnoea or paroxysmal nocturnal dyspnoea. On examination he looked well. Blood pressure was 140/80 mmHg and pulse rate was 78 bpm which was irregular. His lungs were clear and heart sounds were normal. ECG showed sinus rhythm with occasional ventricular ectopic beats. Which of the following is an indication for permanent pacemaker implantation?

      Your Answer: Sinus pauses of >3.0 s

      Correct Answer: Second-degree block associated with symptoms

      Explanation:

      Indications for permanent pacemaker implantation

      -Sinus node dysfunction
      -Acquired Atrioventricular(AV) block (Complete third-degree AV block with or without symptoms, Symptomatic second degree AV block, Mobitz type I and II, Exercise-induced second or third degree AV block in the absence of myocardial infarction, Mobitz II with widened QRS complex)
      -Chronic bifascicular block
      -After acute phase of myocardial infarction
      -Neurocardiogenic syncope and hypersensitive carotid sinus syndrome
      -Post cardiac transplantation
      -Hypertrophic cardiomyopathy
      -Pacing to detect and terminate tachycardia
      -Cardiac resynchronization therapy in patients with severe systolic heart failure
      -Patients with congenital heart disease

    • This question is part of the following fields:

      • Cardiology
      28.2
      Seconds

  • Question 21 - What is correct statement regarding pulsus alternans? ...

    Correct

    • What is correct statement regarding pulsus alternans?

      Your 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.

    • This question is part of the following fields:

      • Cardiology
      6.6
      Seconds

  • Question 22 - A 30 yr. old male was brought in with a history of a...

    Correct

    • 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.

    • This question is part of the following fields:

      • Cardiology
      11.2
      Seconds

  • Question 23 - A 60 yr. old male patient with NSTEMI was started on low dose...

    Correct

    • A 60 yr. old male patient with NSTEMI was started on low dose aspirin as secondary prevention. Which of the following, describe the action of aspirin as an antiplatelet agent?

      Your Answer: Inhibits the production of thromboxane A2

      Explanation:

      The antithrombotic action of aspirin is due to inhibition of platelet function by acetylation of the platelet cyclooxygenase (COX) at the functionally important amino acid serine529. This prevents the access of the substrate (arachidonic aid) to the catalytic site of the enzyme at tyrosine385 and results in an irreversible inhibition of platelet-dependent thromboxane formation.

    • This question is part of the following fields:

      • Cardiology
      27.8
      Seconds

  • Question 24 - A 42 yr. old man presented with palpitations and shortness of breath on...

    Correct

    • 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: 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
      38.9
      Seconds

  • Question 25 - Which of the following describes the reason for the decline of the use...

    Correct

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

      Your 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
      8
      Seconds

  • Question 26 - A 55 yr. old man presented with retrosternal chest pain associated with excessive...

    Correct

    • A 55 yr. old man presented with retrosternal chest pain associated with excessive sweating and vomiting. On examination his BP was 100/60 mmHg and pulse rate was 72 bpm. Bibasal crepitations were auscultated. His ECG showed ST elevation in V1 to V4 and ST depression in leads II, III and aVF. Which of the following would be the finding during angioplasty?

      Your Answer: Complete occlusion of the left anterior descending artery

      Explanation:

      The ECG findings are suggestive of anterior myocardial infarction and the most likely artery affected is the left anterior descending artery. Occlusion of the right coronary artery will be shown by ST elevation in lead II, III, aVF and occlusion of the circumflex artery will show changes in leads I, aVL, V5 and V6. To have ST elevation, there should be complete occlusion of the artery.

    • This question is part of the following fields:

      • Cardiology
      17.3
      Seconds

  • Question 27 - A 75 yr. old male with rheumatoid arthritis underwent a colectomy 2 days...

    Correct

    • A 75 yr. old male with rheumatoid arthritis underwent a colectomy 2 days ago for colon cancer. He was put on a prophylactic dose of low molecular weight heparin post operatively as well as prednisolone. Now he complains of central chest pain and his ECG revealed an acute ST elevation myocardial infarction. He was given aspirin and oxygen as the initial treatment. Which of the following is the most appropriate management for this patient?

      Your Answer: IV diamorphine + arrange percutaneous coronary intervention

      Explanation:

      There is a high risk of bleeding due to recent surgery and heparin. So thrombolysis is not an option. The most appropriate management is percutaneous coronary intervention.

    • This question is part of the following fields:

      • Cardiology
      64.1
      Seconds

  • Question 28 - A 42 yr. old previously well woman presented with acute severe central chest...

    Correct

    • A 42 yr. old previously well woman presented with acute severe central chest pain for the past 2 hours. She has a family history of premature coronary artery disease. Her husband passed away recently due to prostate cancer. On examination her blood pressure was 130/80 mmHg and pulse rate was 80 bpm. Her ECG showed ST segment elevation and her troponin was slightly elevated. Emergency angiogram revealed slight wall irregularities with no luminal obstruction. Cardiovascular MR showed an apical ballooning of the myocardium resembling an octopus pot. Which of the following is the most likely cause for the ST segment elevation?

      Your Answer: Takotsubo cardiomyopathy

      Explanation:

      Causes for ST segment elevation other than myocardial infarction
      Natural variants
      -Early repolarization
      -Left ventricular hypertrophy and hypertrophic cardiomyopathy
      -Left bundle branch block
      Artefacts
      -Leads mispositioning
      -Electrical cardioversion
      Cardiovascular diseases
      -Pericarditis/ Myocarditis
      -Aortic dissection
      -Prinzmetal’s angina
      -Takotsubo Cardiomyopathy
      -Brugada Syndrome and arrhythmogenic right ventricular cardiomyopathy/dysplasia
      Pulmonary diseases
      -Pulmonary thromboembolism
      -Pneumothorax
      -Atelectasis and pulmonary metastases
      Gastrointestinal diseases
      -Acute pancreatitis
      -Acute cholecystitis
      Other conditions
      -Hyperkalaemia
      -Drug induced ST segment elevation (e.g. – clozapine)
      -Haemorrhagic cerebrovascular disease

      Coronary artery disease and myocardial infarction can be excluded with a negative angiogram and a slightly elevated troponin. Hypertrophic cardiomyopathy can be excluded with cardiovascular MR findings. Left ventricular aneurysm usually occurs following a myocardial infarction, but there is no positive history for that. The characteristic findings on cardiovascular MR confirms the diagnosis of Takotsubo cardiomyopathy.

    • This question is part of the following fields:

      • Cardiology
      12.1
      Seconds

  • Question 29 - A 60 yr. old male presented with ventricular tachycardia which was successfully cardioverted....

    Correct

    • 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: 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
      9.9
      Seconds

  • Question 30 - A 25 yr. old previously well female, in her 10th week of pregnancy...

    Correct

    • 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: 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
      14.7
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Cardiology (25/30) 83%
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