Perinatal (Fetal and Neonatal) Diagnosis and Evolution of Cardiac Av Block

摘要

Summary: Third-degree or complete atrioventricular block can be diagnosed in the fetal life or after birth for severe bradycardia. The authors present 3 term newborn, from the normal evolution pregnancies, healthy mothers, no history of collagen diseases diagnosed with III-nd atrioventricular block by fetal echocardiography(2 cases) for of marked fetal bradycardia 60-64 beats/ minute and confirmed by ECG postnatal. In all cases newborns showed marked bradycardia and no other signs of cardiocirculatory dis-tress and presenting only FOP and PDA. Atropine intravenous not influ-enced bradycardia. but did not require pacing. Conclusions. The III-rd degree atrioventricular block which can have a severe evolution during fetal and neonatal periode, can be diagnosed by fetal echocardiography, confirmed by postnatal ECG and monitoring the later evolution.