Abnormal Left Pulmonary Venous Return to the Coronary Sinus
A 37-year-old man presented with dyspnea on exertion (functional class II). Transthoracic echocardiography showed normal left ventricular size and systolic function, severe right atrial and ventricular dilation, mild tricuspid regurgitation, and systolic pulmonary arterial pressure of about 42 mmHg.
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