The Initial Medical Management for a Symptomatic Patient with Obstructive $\beta$

The initial medical management for a symptomatic patient with obstructive hypertrophic cardiomyopathy (HCM) would be administering a medication to block the effects of catecholamines. The nurse will anticipate administering which of the following medications?

A) Lisinopril, an ACE inhibitor
B) Lasix, a diuretic
C) Propranolol, a $\beta$ -adrenergic blocker
D) Lanoxin, an inotropic