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Year :2015
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Month :
September-October
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Volume :
4
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Issue :
4
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Page :
16 - 19
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Posterior Descending Artery Arising as A Continuation of Hyperdominant Left Anterior Descending Artery
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Correspondence Address :
C.S.Ramesh Bab u, S.Khar e, A.K.Asthana, S. Saxena, O.P.Gupta, Dr. C.S.Ramesh Babu,
Associate Professor, Department of Anatomy, Muzaffarnagar
Medical College, NH-58, Opp. Begrajpur Industrial Area,
Muzaffarnagar-251203 (UP), India.
E-mail: csrameshb@gmail.com
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Introduction: Coronary artery anomalies are rare with an incidence of 0.3% to 1.0% in general population and are discovered incidentally. Many such anomalies may remain asymptomatic. Posteroinferior part of the muscular interventricular septum is normally supplied by posterior descending artery which may arise from right coronary artery (in right dominance or co-dominance pattern) or from left circumflex artery (in left dominance pattern). Supply of the posteroinferior septum by a hyperdominant left anterior descending artery continuing as posterior descending artery is extremely rare and sporadically reported in the literature. We present here a case of hyperdominant left anterior descending artery continuing as posterior descending in the presence of a diminutive right coronary artery. An anomalous branch arising from left anterior descending artery was supplying the left atrium. To the best of our knowledge no such anomalous left atrial branch from left anterior descending is described in the literature.
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