Correct!
3. Echocardiogram
None are totally incorrect. However, of the choices listed an echocardiogram is probably most appropriate because of the frequency of congenital heart disease as a cause of a right to left shunt. The patient's transesophageal echocardiogram (TEE) showed normal right ventricular size and function, a tricuspid valve with mild tricuspid regurgitation. no mitral regurgitation, normal left ventricular function and size with normal systolic function and an ejection fraction of 60-65% and an interatrial septum intact with no obvious defect demonstrated on color flow doppler.
Based on the patient's overall clinical picture which of the following is the most likely diagnosis? (Click on the correct answer to proceed to the fifth of six panels)