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Treatment And Diagnosis Of Blood Diseases Video

To reach the heart, the blood needs to flow upward from the veins in the legs.

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Calf muscles and the muscles in the feet need to contract with each step to squeeze the veins and push the blood upward. To keep the blood flowing up, and not back down, the veins contain one-way valves. Chronic venous insufficiency occurs when these valves become damaged, allowing the blood to leak backward. Valve damage may occur as the result of aging, extended sitting or standing or a combination of aging and reduced mobility. When the veins and valves are weakened to the point where it is difficult for the blood to flow up to the heart, blood pressure in the veins stays elevated for long periods of time, leading to BBlood.

CVI most commonly occurs as the result of a blood clot in the deep veins of the Treatment And Diagnosis Of Blood Diseases, a disease known as deep vein thrombosis DVT. CVI also results from pelvic tumors and vascular malformations, and sometimes occurs for Dagnosis reasons. Failure of the valves in leg veins to hold blood against gravity leads to sluggish movement of blood out of the veins, resulting in swollen legs. Chronic venous insufficiency that develops as a result of DVT is also known as post-thrombotic syndrome. As Treatment And Diagnosis Of Blood Diseases as 30 percent of people with DVT will develop this problem within 10 years after diagnosis.

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It occurs more frequently in people over age 50, and more often in women than in men. The seriousness of CVI, along with the complexities of treatment, increase as the disease progresses. The problem will not go away if you https://amazonia.fiocruz.br/scdp/essay/essay-writing-format-cbse-class-12/mobile-devices-and-their-effects-on-sleep.php, and the earlier it is diagnosed and treated, the better your chances of preventing serious complications.

Symptoms include:. If CVI is not treated, the pressure and swelling increase until the tiniest blood vessels in the legs capillaries burst.

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When this happens, the overlying skin takes on a reddish-brown color and is very sensitive to being broken if bumped or scratched. At the least, burst capillaries can cause local tissue inflammation and internal tissue damage. At worst, this leads to ulcers, open sores on the skin surface. These venous stasis ulcers can be difficult to heal and can become infected. When the infection is not controlled, it can spread to surrounding tissue, a condition known as cellulitis.

CVI is often associated with varicose veins, which are twisted, enlarged veins close to the surface of the skin.

They can occur almost anywhere, but most commonly occur in the legs. To diagnose CVI, your doctor will perform a complete medical history and physical exam.]