arrhythmias were found in 96 of 107 patients ( 90 % ) with adequate holter recording : ventricular premature complexes in 49 , nonsustained ventricular tachycardia in 5 , supraventricular premature complexes in 29 , paroxysmal supraventricular tachycardia or atrial fibrillation in 9 , sinoatrial block and arrest in 29 , second-degree atrioventricular block in 1 , atrioventricular dissociation in 4 and idioventricular rhythm in 2 .
C0003811
arrhythmias
C0264906
second-degree atrioventricular block