Which one of the following drugs is the CLASS I Antiarrhythmic drug?
A. Lidocaine
B. Metoprolol
C. Amiodarone
D. Verapamil
Answer:A
Which one of the following drugs is the CLASS I Antiarrhythmic drug?
A. Lidocaine B. Metoprolol C. Amiodarone D. Verapamil