Pharmacology Cardiac conduction defect seen with Tricyclic antidepressants are due to- A NE & serotonin uptake inhibitor B Antimuscarinic action on hea C Only NE uptake inhibition D Both NE uptake inhibition and antimuscarinic action on hea 💡 Explanation Cardiac conduction defect seen with Tricyclic antidepressants are due to- ✓ Correct Answer: D. Both NE uptake inhibition and antimuscarinic action on hea