REFRACTORY HYPOXEMIA IN RIGHT VENTRICULAR INFARCTION FROM RIGHT-TO-LEFT SHUNTING VIA A PATIENT FORAMEN OVALE - EFFICACY OF CONTRAST TRANSESOPHAGEAL ECHOCARDIOGRAPHY
We report a case in which contrast transesophageal echocardiography proved helpful in establishing the diagnosis of refractory hypoxemia from a patent foramen ovale with a right-to-left shunt due to right ventricular infarction.