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  • Question 1 - 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: Family history of haemophilia

      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
      67.3
      Seconds

  • Question 2 - 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: 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.

    • This question is part of the following fields:

      • Cardiology
      66
      Seconds

  • Question 3 - 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
      61.8
      Seconds

  • Question 4 - A 30 yr. old male was brought in with a history of a...

    Incorrect

    • 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: Tension pneumothorax

      Correct 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
      224.1
      Seconds

  • Question 5 - A 72 yr. old male presented to the Emergency Department with a broad...

    Correct

    • A 72 yr. old male presented to the Emergency Department with a broad complex tachycardia. Which of the following features is more suggestive that this has resulted because of a supraventricular tachycardia (SVT) rather than a ventricular tachycardia (VT)?

      Your Answer: Absence of QRS concordance in chest leads on ECG

      Explanation:

      To differentiate ventricular tachycardia (VT) from supraventricular tachycardia (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
      39.6
      Seconds

  • Question 6 - 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: Previous myocardial infarction with non-sustained VT on 24 hr monitoring

      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
      7.6
      Seconds

  • Question 7 - 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: Q waves in any two 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
      32.6
      Seconds

  • Question 8 - Which of the following gives the annual incidence of deep venous thrombosis (DVT)...

    Incorrect

    • Which of the following gives the annual incidence of deep venous thrombosis (DVT) in the general population?

      Your Answer: about 5 per 1000

      Correct Answer: about 2 per 1000

      Explanation:

      Annual incidence of DVT in the general population is about 1 per 1000 adults. So the most suitable answer is about 2 per 1000.

    • This question is part of the following fields:

      • Cardiology
      15.4
      Seconds

  • Question 9 - A 80 yr. old male was found on the floor. His blood pressure...

    Incorrect

    • A 80 yr. old male was found on the floor. His blood pressure was 100/60 mmHg. His core temperature was 31ºC. His FBC and serum electrolytes were within normal limits. Which of the following would be found in his ECG?

      Your Answer: Second degree heart block

      Correct Answer: Long QT interval

      Explanation:

      Hypothermia is defined as a core body temperature of < 35 °C.
      Hypothermia may produce the following ECG changes:
      -Bradyarrhythmia
      -Osborne Waves (= J waves)
      -Prolonged PR, QRS and QT intervals
      -Shivering artefact
      -Ventricular ectopics
      -Cardiac arrest due to VT, VF or asystole

    • This question is part of the following fields:

      • Cardiology
      25.1
      Seconds

  • Question 10 - A 60 yr. old male patient with hypertension presented with acute onset retrosternal...

    Incorrect

    • A 60 yr. old male patient with hypertension presented with acute onset retrosternal chest pain for 3 hours. On examination his pulse rate was 68 bpm, BP was 100/60 mmHg and JVP was seen 3mm from the sternal notch. Respiratory examination was normal. His ECG showed narrow QRS complexes, ST segment elevation of 2mm in leads II, III and aVF and a complete heart block. What is the most immediate treatment from the following answers?

      Your Answer: Atropine 0.5 mg intravenous

      Correct Answer: Chewable aspirin 300 mg

      Explanation:

      The diagnosis is inferior ST elevation myocardial infarction. As the right coronary artery supplies the SA and AV nodes and bundle of His, conduction abnormalities are more common with inferior MIs. The most immediate drug management is high dose Aspirin. Definite treatment is urgent cardiac revascularization.

    • This question is part of the following fields:

      • Cardiology
      40.2
      Seconds

  • Question 11 - 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
      0
      Seconds

  • Question 12 - 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
      0
      Seconds

  • Question 13 - A 68 yr. old male with history of poorly controlled hypertension was admitted...

    Incorrect

    • A 68 yr. old male with history of poorly controlled hypertension was admitted with shortness of breath on exertion, orthopnoea for three months. He was diagnosed with congestive cardiac failure and was started on digoxin 62.5 μg daily, furosemide 80mg daily and amiloride 10mg daily. On admission his lab results showed that his serum urea was 6 mmol/L and serum creatinine was 115 μmol/L. One month later he came for a follow up consultation. On examination he had bilateral ankle oedema. His blood pressure was 138/90 mmHg and pulse rate was 92 bpm. His JVP was not elevated. His apex beat was displaced laterally and he had a few bibasal crepitations on auscultation. There were no cardiac murmurs. His investigation results revealed the following: Serum sodium 143 mmol/L (137-144), Serum potassium 3.5 mmol/L (3.5-4.9), Serum urea 8 mmol/L (2.5-7.5), Serum creatinine 140 μmol/L (60-110), Serum digoxin 0.7 ng/mL (1.0-2.0). CXR showed cardiomegaly and a calcified aorta. ECG showed left ventricular hypertrophy. Which of the following is the most appropriate next step in the management of this patient?

      Your Answer:

      Correct Answer: Add an ACE inhibitor to the current regimen

      Explanation:

      From the given history the patient has NYHA grade III heart failure. He can be safely started on an ACE inhibitor as his serum potassium was towards the lower limit. As there an impairment of renal function, his urea, creatinine and serum electrolytes should be closely monitored after commencing an ACE inhibitor. Adding atenolol will not have any clinical benefit. Increasing the digoxin dose is not needed as the patient is in sinus rhythm. Increasing furosemide will only have symptomatic relief.

    • This question is part of the following fields:

      • Cardiology
      0
      Seconds

  • Question 14 - 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
      0
      Seconds

  • Question 15 - 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
      0
      Seconds

  • Question 16 - Which of the following is not associated with atrial myxoma? ...

    Incorrect

    • Which of the following is not associated with atrial myxoma?

      Your Answer:

      Correct 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

    • This question is part of the following fields:

      • Cardiology
      0
      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:

      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
      0
      Seconds

  • Question 18 - A 55 yr. old female with a history of hypertension presented with severe...

    Incorrect

    • A 55 yr. old female with a history of hypertension presented with severe central chest pain for the past one hour, associated with sweating and vomiting. Her ECG showed ST elevation myocardial infarction, evident in leads V2-V4. Which of the following is an absolute contraindication for thrombolysis?

      Your Answer:

      Correct Answer: Intracranial neoplasm

      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
      0
      Seconds

  • Question 19 - A 70 yr. old male patient presented with increased difficulty in breathing during...

    Incorrect

    • A 70 yr. old male patient presented with increased difficulty in breathing during the last 4 months. He was diagnosed with mitral stenosis. On examination his BP was 120/80 mmHg and pulse rate was 68 bpm. There were bibasal crepitations on auscultation. He was on bisoprolol, frusemide and ISDN. From the given answers, what is the most likely indication of worsening of his mitral stenosis?

      Your Answer:

      Correct Answer: Haemoptysis

      Explanation:

      Haemoptysis is a symptom which indicates the worsening of mitral stenosis. It occurs due to the rupture of pulmonary veins or the capillary system due to pulmonary venous hypertension. Elevated serum creatinine is seen in worsening aortic stenosis. Worsening of tricuspid regurgitation causes ascites and a pulsatile liver.

    • This question is part of the following fields:

      • Cardiology
      0
      Seconds

  • Question 20 - A 25 yr. old male presented with an episode of syncope. His examination...

    Incorrect

    • A 25 yr. old male presented with an episode of syncope. His examination findings were normal. He gave a history of sudden cardiac death of a close relative. His ECG showed incomplete right bundle-branch block and ST-segment elevations in the anterior precordial leads. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Brugada syndrome

      Explanation:

      Brugada syndrome is an autosomal dominant disorder characterized by sudden cardiac death. The positive family history and characteristic ECG findings are in favour of Brugada syndrome. Usually the physical findings are normal.

    • This question is part of the following fields:

      • Cardiology
      0
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Cardiology (1/10) 10%
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