04-11-2006, 08:02 PM
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?
A.
Amiodarone
B.
Disopyramide
C.
Lidocaine
D.
Propranolol
E.
Verapamil
A.
Amiodarone
B.
Disopyramide
C.
Lidocaine
D.
Propranolol
E.
Verapamil