there was no difference between the groups with and without ventricular tachycardia with respect to age and sex , but the patients with tachycardia had a significantly greater prevalence of previous myocardial infarction , left ventricular failure in the cardiac care unit , atrial fibrillation , ventricular tachycardia or ventricular fibrillation in the cardiac care unit and significantly more frequent use of digitalis and diuretic and antiarrhythmic drugs at the time of hospital discharge .
C0039231
tachycardia
C0042514
ventricular tachycardia