Intracardiac Echinococcal Cyst Causing Biventricular Cavity Obliteration.

A 47-year-old male presented to the emergency room after an episode of exertional syncope. He denied palpitations, incontinence, dyspnea, or any prior syncope. An ECG and serum cardiac enzymes were normal. A computed tomographic angiogram performed to rule out pulmonary embolism revealed an intracardiac mass in the ventricular septum, measuring 5.0×5.0×4.7 cm (Figure [A]). Subsequent transthoracic echocardiography demonstrated cavity obliteration of the right ventricle from the mass.Figure. Intracardiac echinococcal cyst. A , Computed tomographic angiogram shows an intracardiac mass within the interventricular septum between the right …