Total (75) Age< 16years (50)
(25)
p
Rhythm anomalies (%) Sinus rhythm
EAR
SND
Atrial fibrillation and SVT
Ventricular arrhythmias
AV block
46 (61.3) 18 (24) 2 (2.7) 6 (8) 2 (2.9) 1 (1.4) 31 (62) 16 (32) 0 1 (2) 1 (2) 1 (2) 15 (60) 2 (8) 2 (8) 5 (20) 1 (4) 0 (0) 0.008 0.8 0.02 0.04 0.007 0.6 0.4