The volume of blood returning to the right atrium of the heart. The heart can only pump as much blood as it receives, therefore increases in cardiac output (for example, during exercise when cardiac output may exceed 30 l min−1) are dependent on venous return increasing to that amount. The muscle pump, respiratory pump, and venoconstriction contribute to the increase in venous return during exercise. See also Starling's law.
venous return
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| Medical Dictionary: venous return |
n.
The blood returning to the heart via the inferior and superior venae cavae.
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 | Sports Science and Medicine. The Oxford Dictionary of Sports Science & Medicine. Copyright © Michael Kent 1998, 2006, 2007. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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Mentioned in
- neurogenic shock (medicine)
- passive congestion (medicine)
- Valsalva maneuver (Expiratory effort when the mouth)
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