A post-infarction coronary angiography revealed a sinus node artery origina
ting from the posterolateral branch of the right coronary artery which was
named, in this report as the 'right posterior' sinus node artery. This arte
ry coexisted with a small left sinus node artery. In addition, no individua
l atrioventricular node artery was present. (C) 2000 Elsevier Science Irela
nd Ltd. All rights reserved.