early bradycardia was associated with the need for multiple cardioversions to terminate the arrhythmia ( six of 10 multiple cardioversions vs 13 of 67 single cardioversions , p less than .05 ) and the presence of inferior myocardial infarction ( eight of 16 patients with vs eight of 40 patients without inferior infarction , p less than .05 ) .
C0428977
bradycardia
C0003811
arrhythmia