Cardiology MCQs
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Which of the following is a major therapeutic use of diltiazem?
- A. Conversion of ventricular tachycardia
- B. Conversion of atrial fibrillation
- C. Conversion of atrial flutter
- D. Conversion of supraventricular tachycardia
- Correct Answer: Option D
Which of the following is a major therapeutic use of verapamil?
- A. Conversion of ventricular tachycardia
- B. Conversion of atrial fibrillation
- C. Conversion of atrial flutter
- D. Conversion of supraventricular tachycardia
- Correct Answer: Option D
What is the approximate difference in dosing for verapamil when comparing the two common routes of administration?
- A. IM 10-100 times greater than PO
- B. PO 10-100 times greater than IM
- C. IV 10-100 times greater than PO
- D. PO 10-100 times greater than IV
- Correct Answer: Option D
Which of the following is a common error in the administration of verapamil?
- A. Giving to a patient in VF misdiagnosed as SVT
- B. Giving to a patient in VT misdiagnosed as SVT
- C. Giving to a patient in SVT misdiagnosed as VF
- D. Giving to a patient in SVT misdiagnosed as VT
- Correct Answer: Option B
What is the major extracardiac affect of verapamil (Covera)?
- A. Vasodilation
- B. Vasoconstriction
- C. Renal sodium excretion
- D. Renal sodium retention
- Correct Answer: Option A
What is the most common dose-related toxicity associated with ibutilide and dofetilide?
- A. Hepatic dysfunction
- B. Cutaneous emphysema
- C. Hypertension
- D. Torsade de Pointes
- Correct Answer: Option D
Which of the following Class III drugs activates the slow inward sodium current?
- A. Amiodarone (Pacerone)
- B. Sotolol (Betapace)
- C. Ibutilide (Corvert)
- D. Dofetilide (Tikosyn)
- Correct Answer: Option C
What is the most common dose-related toxicity associated with sotolol?
- A. Hepatic dysfunction
- B. Cutaneous emphysema
- C. Hypertension
- D. Torsade de Pointes
- Correct Answer: Option D
Which of the following is NOT a therapeutic use of sotolol?
- A. Maintenance of sinus rhythm in patients with atrial fibrillation
- B. For patients with supraventricular arrhythmias
- C. For patients with multi-focal PVCs
- D. For patients with life-threatening ventricular arrhythmias
- Correct Answer: Option D
An obese patient is being implanted with an ICD. During implantation, the physician induces ventricular fibrillation via T-shock. The device recognizes the rhythm and shocks within 5 seconds. However, even at full power the device is not able to defibrillate successfully. Which of the following drugs could be given to improve the chances of successful defibrillation?
- A. Sotolol
- B. Adenosine
- C. Lidocaine
- D. Flecainide
- Correct Answer: Option A