Which classification of drugs is contraindicated for the client with hypertrophic cardiomyopathy?

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Which classification of drugs is contraindicated for the client with hypertrophic cardiomyopathy?
A . Positive inotropes
B . Vasodilators
C . Diuretics
D . Antidysrhythmics

Answer: A

Explanation:

(A) Positive inotropic agents should not be administered owing to their action of increasing myocardial contractility. Increased ventricular contractility would increase outflow tract obstruction in the client with hypertrophic cardiomyopathy.

(B) Vasodilators are not typically prescribed but are not contraindicated.

(C) Diuretics are used with caution to avoid causing hypovolemia.

(D) Antidysrhythmics are typically needed to treat both atrial and ventricular dysrhythmias.

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