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Related to nodal artery: arteria coronaria dextra, sinus node artery
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Sinuatrial nodal artery (SAN): In 21 (70%) hearts the SAN artery arose as the first branch from its right side at a mean distance of 20 mm distal to the origin of the RCA (Fig.
nodal artery (AVN): An AVN artery arose separately or jointly with the left atrioventricular sulcal branch (SB) from the convexity of RCA near the crux of the heart, the AVN artery could be traced to the AV node.