Right Coronary Artery

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• arise from anterior aortic sinus
• runs forward between pulmonary trunk and right auricle
• overlain by right atrial appendage
• descends in right atrioventricular groove
  • gives branches to right atrium and right ventricle
  • lies on infundibulkum of right ventricle
• continues posteriorly along atrioventricular groove 
• anastomose with left coronary artery

Branches

• marginal branch
  • supplies right ventricle
• posterior interventricluar branch
  • supplies both ventricles

Right Coronary Artery

• arises from anterior aortic sinus

• right atrioventricular groove

  • branches to right atrium and ventricle

• marginal branch → right ventricle

• posterior interventricular→ both ventricles

• also sino-atrial node (sometimes), atrioventricular node, atrioventricular bundle, left bundle branch (with left coronary artery

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