Vieussens valve of the coronary sinus explained

The Vieussens valve of the coronary sinus is a prominent^[1] valve at the end of the great cardiac vein, marking the commencement of the coronary sinus. It is often a flimsy valve composed of one to three leaflets. It is present in 80-90% of individuals. It serves as an anatomical landmark. It is clinically important because it is often an obstruction to catheters in 20% of patients.^{[2] [3]}

Notes and References

1. Web site: valve of Vieussens . 2023-01-05 . TheFreeDictionary.com.
2. Ho S, Becker AE. Chapter 37. Anatomy of Electrophysiology. In: Fuster V, Walsh RA, Harrington RA, eds. Hurst's The Heart. 13th ed. New York: McGraw-Hill; 2011. http://www.accessmedicine.com/content.aspx?aID=7812984. Accessed November 1, 2011.
3. Strohmer B (September 2008). "Valve of Vieussens: an obstacle for left ventricular lead placement". Can J Cardiol 24 (9): e63. . .