Complete AV Canal Defect on Echocardiogram Among pts with Pulmonary Arterial Hypertension, those with Eisenmenger syndrome have the best prognosis. Complete AV canal is shown below Ivan Stankovic, MD, PhD @Ivan_Echocardio #CAVCD #Complete #AVCanal #Defect #a4c #Echocardiogram #clinical #cardiology #pocus