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In venous insufficiency, the valves in the veins have become damaged.
Theses valves normally keep blood flowing toward the heart. But damaged valves
allow some blood to flow backward. This causes the veins to become overfilled.
Fluid seeps out of the engorged veins into surrounding tissues. This results in
tissue breakdown and venous skin ulcers.
Primary Medical Reviewer
E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer
Margaret Doucette, DO - Physical Medicine and Rehabilitation, Wound Care, Hyperbaric Medicine
Current as of
August 9, 2013
WebMD Medical Reference from Healthwise
August 09, 2013
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