Normal venous blood flow

Picture of normal venous blood flow

In healthy veins, the blood flows in one direction. The valves of the vein allow blood flow in the right direction and prevent blood from flowing in the wrong direction. This keeps blood cells from collecting in the vein and forming a blood clot (called a thrombus).

Last Updated: August 18, 2009

Author: Maria Essig

Medical Review: Kathleen Romito, MD - Family Medicine & Howard Schaff, MD - Diagnostic Radiology

related physicians

related services

Bon Secours International| Sisters of Bon Secours USA| Bon Secours Health System

This information does not replace the advice of a doctor. Healthwise disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Privacy Policy. How this information was developed to help you make better health decisions.

© 1995-2010 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.