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Cardiac veins

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Overview

The cardiac veins return deoxygenated blood from the myocardium to the right atrium and run parallel to coronary arteries.

Anatomy

Anatomy

The components of the cardiac venous system are the following:

Coronary sinus

  • It is present in the coronary sulcus.
  • It receives most venous return of the heart.
  • It empties in the right atrium.

Great cardiac vein

  • It runs parallel to the LAD in the anterior interventricular groove.
  • It drains in the coronary sinus.

Middle cardiac vein

  • It runs parallel to the PDA in the posterior interventricular groove.
  • It drains in the coronary sinus.

Small cardiac vein

  • It runs parallel to the marginal artery.
  • It drains in the coronary sinus.

Anterior Cardiac Veins

  • Drains the anterior right ventricle.
  • Empties directly in the right atrium an not in the coronary sinus.[1]
References

References

  1. Morton DA, Foreman KB, Albertine KH. Chapter 4. Heart. In: Morton DA, Foreman KB, Albertine KH, eds. The Big Picture: Gross Anatomy. New York: McGraw-Hill; 2011.

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