TVD 2017

CHAMBERS: - Left atrium: left and posterior to the pulmonary trunk and begins just inferior to the left pulmonary artery. - Left ventricle: anterior to the left of the left atrium - Right atrium: starts to the right of the aortic root superiorly. - Right ventricle: lies directly beneath the sternum and connects to the pulmonary trunk.

VESSELS: - LM coronary artery: originates from the left side of the ascending aorta, inferior to the right pulmonary artery. - LAD artery, interventricular branch: originates from the left coronary artery and runs in the interventricular groove between the right and left ventricles. - Left circumflex artery: originates from the left coronary artery and runs between the left atrium and ventricle. - RCA: from the right side of the ascending aorta.