Question

Consider the classification of anti-arrhythmic drugs
(A) Quinidine is a class I anti-arrhythmic drug
(B) Amiodarone is a class IV anti-arrhythmic drug
(C) Propranolol is a class ii anti-arrhythmic drug
(D) Lignocaine is a class I anti-arrhythmic drug
Choose the correct answer from the options given below:

• A. (A) and (D) only.
• B. (A), (C) and (D) only.
• C. (A), (B), (C) and (D).
• D. (B), (C) and (D) only.

Hint:

Remember the Vaughan-Williams classes:
Class I = Sodium channel blockers (Quinidine, Lidocaine)
Class II = Beta-blockers (Propranolol)
Class III = Potassium channel blockers (Amiodarone)
Class IV = Calcium channel blockers (Verapamil)

Answer 1

The Correct Option is B