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Multiple Choice Questions (MCQ)


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Category: Cardiology--->Arrythmias
Page: 15

Question 71# Print Question

Which of the following statements is true regarding Brugada syndrome?

A. It is characterized by ST elevation and a pseudo-RBBB pattern in the right precordial leads with persistent ST elevation
B. The ECG manifestations can be exacerbated by sotalol
C. It is the leading cause of death in young men in the Middle East
D. AFib is the most frequently reported arrhythmia
E. It is effectively treated with β-blockers


Question 72# Print Question

In patients with long-QT syndrome:

A. EP testing is indicated to evaluate for inducible ventricular arrhythmias
B. The mechanism of torsades de pointes (TdP) is believed to be related to early afterdepolarization
C. Sotalol is effective for the treatment of the associated ventricular tachyarrhythmias
D. Hyperkalemia increases the risk of TdP
E. Cardiac arrest typically occurs at rest in LQT1 syndrome


Question 73# Print Question

A 75-year-old man is admitted with upper gastrointestinal (GI) bleeding. His ECG shows sinus rhythm at 90 bpm, with a PR of 220 milliseconds, RBBB, and left anterior fascicular block. He had one episode of near syncope 2 days before this admission. His current hematocrit is 20. You are consulted regarding the need for a pacemaker.

Which of the following is true?

A. You should proceed with permanent pacemaker placement in the setting of bifascicular block
B. You should proceed with ICD placement
C. You should perform EP testing to evaluate the AV conduction system
D. You should reassure the patient and suggest no further testing
E. You should prescribe β-blockers to slow down the sinus rate


Question 74# Print Question

Which of the following criteria is most helpful in differentiating supraventricular tachycardia (SVT) from VT in a patient presenting with wide complex tachycardia?

A. The patient is older than 65 years
B. The tachycardia rate is >160 bpm
C. The patient is awake with a BP of 110/65 mmHg
D. There is an RS pattern in V2
E. There is AV dissociation


Question 75# Print Question

A 76-year-old man walks into the emergency room reporting palpitations and dizziness. A 12-lead ECG shows wide complex tachycardia at a rate of 160 bpm. His BP is 110/50 mmHg. He reports that he recently sustained an MI. He has not had any similar symptoms before.

Which of the following should be included in further evaluation and treatment of his arrhythmia?

A. Verapamil, 10-mg IV bolus, to treat SVT with aberrancy, as the patient is hemodynamically stable
B. Immediate DC cardioversion
C. Procainamide, 15 mg/kg IV over 30 to 60 minutes
D. Immediate cardiac catheterization and angioplasty, as needed
E. Digoxin, 1 mg IV over 6 hours in four divided doses




Category: Cardiology--->Arrythmias
Page: 15 of 17