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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.