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ECG IN CONGENITAL HEART DISEASES Dr TRẦN CÔNG BẢO PHỤNG, CHILDREN HOSPITAL N1
• ECG IN COMMON CONGENITAL HEART DISEASES • ARRYTHMIAS AFTER OPEN HEART SURGERIES
ASD  Small ASD: normal ECG  Large ASD : RAD, RAH, RVH±RBBB or 1st degree AV block
VSD .  Small VSD, ECG is normal.  Moderate VSD: LVH and occasional left LAH.  Large defect: BVH with or without LAH.  If pulmonary vascular obstructive disease develops, the ECG shows RVH only.