1Professor, Community Medicine, Sree Mookambika Institute of Medical Sciences, Kulasekharam, District Kanyakumari, Tamil Nadu, India
2Professor, Surgery, Sree Mookambika Institute of Medical Sciences, Kulasekharam, District Kanyakumari, Tamil Nadu, India
3Tutor, Department of Anatomy, Sree Mookambika Institute of Medical Sciences, Kulasekharam, District Kanyakumari, Tamil Nadu, India
The origin of S.A nodal artery is variable, when it comes from RCA it usually comes from anterior stem, When comes from LCA it arises from circumflex branch3.
The SA nodal artery is usually the second branch of the RCA and supplies the SA node in 65% of the cases; in the remaining 35%, the SA node is supplied by a branch of the Cx artery
The term dominant is used to refer to the coronary artery. In majority of peoples dominance is the right coronary artery5.
To study the origin of SANA and AVNA
To study the dominance of coronary arteries.
Type of Study is Cross section. Sample size in this study is taken as 100.
Is convenient technique. Duration of study: 7 months.
Mean age is 56 years and S.D. is 3.824. There is highly significant association between male & origin of SANA from Right Coronary Artery. (p value =< 0.05 by chi square test), 74%(74) have the Right Dominance.
There is highly statistical significant association between male & origin of SANA from Right Coronary Artery.
55% have the origin of SANA from the Right coronary artery
58% have the origin of AVNA from the Right coronary artery
Origin, SANA, AVNA, dominance, coronary arteries
