Pulmonary Arteriovenous Malformation (AVM) on Contrast Echocardiogram Contrast echo, see outside the cardiac borders. This was a case of Osler Weber Rendu (Hereditary Hemorrhagic Telangiectasia) with multiple nasopharyngeal and a large pulmonary AVM. Dr. Gopalan Rajesh @DrRajeshG1 #Pulmonary #Arteriovenous #Malformation #AVM #AVFistula #HHT #Contrast #Echocardiogram #POCUS #clinical #cardiology