Q. The following is true of procainamide except: (Solved)
1. It generates an active metabolite in the body
2. Its plasma half-life is longer than that of quinidine
3. On long-term use, it can cause systemic lupus erythematosus like illness
4. It is effective in many cases of ventricular extrasystoles, not responding to lignocaine
- b. Its plasma half-life is longer than that of quinidine