A drug that belongs to CLASS I (Na+-channel blockers)?
A. Mexiletine (IB)
B. Metoprolol
C. Amiodarone
D. Verapamil
Answer:A
A drug that belongs to CLASS I (Na+-channel blockers)?
A. Mexiletine (IB) B. Metoprolol C. Amiodarone D. Verapamil