7. An 84-year-old man is brought to the emergency department 30 minutes after an episode of syncope. Transthoracic echocardiography shows a 4-cm myxoma occupying themajority of the left atrium. The tumor will be excised using a robotically assisted operation via an oblique right atriotomy and transection of the interatrial septum. When making theincision into the left atrium to remove the myxoma, which of the following regions of the interatrial septum should be avoided in order to prevent injury to the cardiac conductionsystem?A) Crista terminalisB) Fossa ovalis regionC) Posteroinferior region above the opening of the coronary sinusD) Superoanterior region above the limbus of the fossa ovalisE) Superoposterior region posterior to the fossa ovalis

The question inquired is about a surgical strategy to remove a myxoma, a sort of tumor, from the…

Answered: 7. An 84-year-old man is brought to the…

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