Intracardiac thrombus causing peritoneovenous shunt failure: detection by two-dimensional echocardiography.

Peritoneovenous shunts have become an accepted mode of therapy for ascites refractory to medical treatment. However, their use is known to be associated with significant morbidity and mortality. Reported is the case of a patient with a Denver shunt who developed massive intracardiac thrombosis and subsequent shunt malfunction, despite preserved shunt patency.