twenty-four-hour holter electrocardiographic recordings were used to measure the effects of a converting-enzyme inhibitor , enalapril , given for 12 weeks , on the frequency of cardiac arrhythmias in 10 patients with congestive heart failure ( new york heart association functional class ii to iii ) receiving maintenance therapy with digoxin and furosemide .
C0018802
congestive heart failure
C0012265
digoxin