SN and Sinoatrial Perfusion
55% of cases perfused by the atrial branch of the proximal RCA
45% of cases perfused by the proximal branch of the Cx

RCA perfuses the AVN and the proximal part of the His Bundle
Septal branches of LAD supply the distal His, the RBB and the anterior fascicle of the LBB
Septal branches of LAD and RCA are supplied by the posterior fascicle of the LAD
Back to EKG main