Fig. 1From: Pulmonary arterial hypertension caused by congenital extrahepatic portocaval shunt: a case reportEchocardiography shows an enlargement of the PA and its branches (a). Both RA and RV are significantly dilated, and the RV wall thickness is increased (b). PA: pulmonary artery; RPA: right pulmonary artery; LPA: left pulmonary artery; AO: aorta; RA: right atrium; RV: right ventricle; LA: left atrium; LV: left ventricleBack to article page