Fig. 4
From: Percutaneous closure of simple congenital heart diseases under echocardiographic guidance
The steps of percutaneous device closure of PDA. A PDA anatomical structure. B The guidewire was advanced into the RA. C The guide-wire was introduced into the RV. D The sheath was advanced into the RV. E The sheath was advanced into the PA. F The guide-wire was introduced into the descending aorta. G The delivery sheath advanced into the descending aorta. H The device was deployed. RA: right atrium; LA: left atrium; LV: left ventricle; RV: right ventricle; PDA: patent ductus arteriosus; IVC: inferior vena cava; SVC: superior vena cava; PA: pulmonary artery