#july2020usmle2ck
Which one of these drugs is a sodium channel blocker (Class I)?
A- Amiodarone
B- Carvedilol
C- Procainamide
D- Verapamil
Which one of these drugs is a sodium channel blocker (Class I)?
A- Amiodarone
B- Carvedilol
C- Procainamide
D- Verapamil