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Which one of the following is not a side effect of treatment with tricyclic antidepressants?

A. Termination of ventricular fibrillation
B. Increased collateral blood supply to ischemic heart muscle
C. Decreased contractility
D. Tachycardia
E. Hypertension

User Toshinori
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1 Answer

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Final answer:

The side effect that is not associated with tricyclic antidepressants is A. Termination of ventricular fibrillation. This is an outcome of defibrillation, not a side effect of tricyclic antidepressants.

Step-by-step explanation:

The question asks which of the following is not a side effect of treatment with tricyclic antidepressants: A. Termination of ventricular fibrillation, B. Increased collateral blood supply to ischemic heart muscle, C. Decreased contractility, D. Tachycardia, E. Hypertension. The correct choice is A. Termination of ventricular fibrillation. This is not a side effect of tricyclic antidepressants; rather, it is a desired consequence of defibrillation in the event of ventricular fibrillation, which is a medical emergency.

Tricyclic antidepressants have several known side effects, such as drowsiness, light-headedness, potential for increased anxiety, and others related to cardiac function like decreased contractility (choice C), tachycardia (choice D), and hypertension (choice E). However, the increase in collateral blood supply to ischemic heart muscle (choice B) is not typically associated with the use of tricyclic antidepressants.

User Krishna Mohan
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