<prompt> Which of the following drugs are contraindicated in HOCM ABEVerepamilPropanalolDigoxinNone of the above  <response>: Answer is C Digoxin Digitalis is contraindicated in hyperophic obstructive cardiomyopathy HOCM. Digitalis causes an increase in myocardial contractility, which increases the degree of obstruction in HOCM and worsens the condition. 