angina was frequently associated with arrhythmias , including ventricular fibrillation ( 2 instances ) , ventricular tachycardia ( 4 ) , frequent ventricular premature beats ( 5 ) , atrioventricular block ( 4 ) , sinus bradycardia ( 2 ) , sinoatrial exit block ( 1 ) and supraventricular tachycardia ( 1 ) .
C0003811
arrhythmias
C0042510
ventricular fibrillation