Fig. 1From: Percutaneous closure of simple congenital heart diseases under echocardiographic guidanceA well-established procedure for percutaneous closure of congenital heart diseases under echocardiographic guidance only. ASD: atrial septal defect, PFO: patent foramen ovale, VSD: ventricular septal defect, PDA: patent ductus arteriosus, PVS: pulmonary valve stenosisBack to article page