Heart Diagram Rca. At the crux the posterior descending artery rdp and atrioventricular node artery originate. Its called the lad because is on the left side of the heart left.
Anterior interventricular branch of left coronary artery lad riva proximal segment 7. Left main coronary artery also called the left main trunk the left main coronary artery branches into. The right coronary artery emerges from the anterior ascending aorta in the left ventricle of the heart which plays a fundamental role in the function of this organ.
The left main coronary artery lmca comes out of the left coronary sinus and the right coronary artery rca originates from the right coronary sinus located slightly lower than the lmca ostium.
Lad stands for left anterior descending artery. The right coronary artery rca branches to form the right marginal artery rma anteriorly. Pda may originate more proximally bifurcate early or be small with part of its territory supplied by an acute marginal branch. The upper two chambers of the heart are called auricles.