Título Em Cirurgia Cardiovascular SBCCV Practice Questions - Título De Especialista Em Cirurgia Cardiovascular (SBCCV AMB) Exam

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In coronary arterial anatomy, the blood supply to the sinoatrial (SA) node and the atrioventricular (AV) node is of paramount surgical importance. In a right-dominant coronary circulation, which vessels typically give rise to the SA node artery and the AV node artery, respectively?

SA node artery from the Left Anterior Descending artery (~70%) and AV node artery from the Circumflex artery (~90%). SA node artery from the Right Coronary Artery (~60%) and AV node artery from the Right Coronary Artery (~90%). SA node artery from the Circumflex artery (~80%) and AV node artery from the Diagonal branches (~60%). SA node artery from the Conus branch (~90%) and AV node artery from the Acute Marginal artery (~80%).

Correct Answer:

SA node artery from the Right Coronary Artery (~60%) and AV node artery from the Right Coronary Artery (~90%).

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