Test_Prep
USMLE · Question #424
USMLE Question #424: Real Exam Question with Answer & Explanation
Sign in or unlock USMLE to reveal the answer and full explanation for question #424. The question stem and answer options stay visible for context.
Question
A 57-year-old man is brought to the emergency room for a suspected myocardial infarction. An electrocardiogram indicates the appearance of a wide-complex ventricular tachycardia with a rate of 126 beats per minute. The physician prescribes a drug to decrease SA node automaticity, increase AV node refractoriness, and decrease AV node conduction velocity. Which of the following agents was most likely prescribed?
Options
- AAmiodarone
- BDisopyramide
- CLidocaine
- DPropranolol
- EVerapamil
Unlock USMLE to see the answer
You've previewed enough free USMLE questions. Unlock USMLE for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.