Multimodality imaging approach to an adult case with cor triatriatum sinister

Abstract

A 71-year-old man with a history of atrial fi - brillation was hospitalized due to congestive heart failure. Two-dimensional transthoracic echocardiography and transesophageal echocardiography (TEE) showed the membrane dividing the left atrium into the postero-superior chamber (LA-PS) and the antero-inferior chamber (LA-AI) (peak pressure gradient 15 mmHg and estimated right ventricular systolic pressure 61 mmHg) (Fig.