Branches of Right Coronary Artery 3D

  • Atrial Branches:
    • * Atrial branches are anterior, posterior, and lateral.
    • * One of the anterior atrial branches is called SA nodal artery. It arises from the right coronary artery in 60% cases.

 

  • Annulus of Vieussens:
    • * Right conus artery forms an arterial circle around pulmonary trunk with a similar branch from the left coronary artery. The circle is the ‘Annulus of Vieussens’.

 

  • Ventricular branches:
    • * Ventricular branches are as anterior and posterior groups. The anterior group lies on the sternocostal surface while the posterior group traverses the the diaphragmatic surface of the heart.

 

  • Right Marginal Artery:
    • * Right marginal artery arises as the right coronary artery crosses the right border of the heart.
    • * It runs along its inferior border till the apex of the heart.

 

  • SA Nodal Artery:
    • * Passes between the right atrium and the root of the ascending aorta, encircles the base of the SVC, and supplies the SA node and the right atrium.

                                                                                                      

  • AV Nodal Artery:
    • * Arises opposite the origin of its posterior interventricular artery and supplies the AV node.

                                                                                                             

  • Posterior Interventricular Artery:
    • * Is a large terminal branch of the right coronary artery.
    • * Supplies a part of the Interventricular septum, left ventricle, and the AV node.

 

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  • Atrial Branches:
    • * Atrial branches are anterior, posterior, and lateral.
    • * One of the anterior atrial branches is called SA nodal artery. It arises from the right coronary artery in 60% cases.

 

  • Annulus of Vieussens:
    • * Right conus artery forms an arterial circle around pulmonary trunk with a similar branch from the left coronary artery. The circle is the ‘Annulus of Vieussens’.

 

  • Ventricular branches:
    • * Ventricular branches are as anterior and posterior groups. The anterior group lies on the sternocostal surface while the posterior group traverses the the diaphragmatic surface of the heart.

 

  • Right Marginal Artery:
    • * Right marginal artery arises as the right coronary artery crosses the right border of the heart.
    • * It runs along its inferior border till the apex of the heart.

 

  • SA Nodal Artery:
    • * Passes between the right atrium and the root of the ascending aorta, encircles the base of the SVC, and supplies the SA node and the right atrium.

                                                                                                      

  • AV Nodal Artery:
    • * Arises opposite the origin of its posterior interventricular artery and supplies the AV node.

                                                                                                             

  • Posterior Interventricular Artery:
    • * Is a large terminal branch of the right coronary artery.
    • * Supplies a part of the Interventricular septum, left ventricle, and the AV node.

 

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Anatomy (Beta)

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