Which one of the following drugs prevents cardiac arrhythmia occur in myocardial infarction?
A. Procainamide
B. Metoprolol
C. Quinidine
D. Verapamil
Answer:B
Which one of the following drugs prevents cardiac arrhythmia occur in myocardial infarction?
A. Procainamide B. Metoprolol C. Quinidine D. Verapamil