Abstract
Heart receives its blood supply from the coronary vessels. This current study is done to throw light upon the number of coronary ostia, diameter of the trunk, arterial supply to S A node and A V node, termination of right coronary artery and left anterior descending branch of left coronary artery and the predominance of heart. Knowledge of dominance of artery is helpful while performing angioplasty and coronary artery bypass grafting. If there is obstruction in the left coronary artery subjects, the degree of severity of myocardial infarction is more and may lead to death in single attack also. Better anatomical knowledge about the branches of coronary artery and its variation is essential for cardiologists and interpretation of coronary angiograms by radiologist.
Keywords: Coronary ostia, S A node, A V node, myocardial infarction, angioplasty, bypass grafting.
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Corresponding Author
Dr Devi Reddy Krishna Reddy
Professor of Anatomy, Alluri Sitaramaraju Academy of Medical Sciences,
Eluru, 534005, West Godavari District, Andhra Pradesh, India
DOI: https://dx.doi.org/10.18535/jmscr/v5i12.56
