In contrast, deep veins lead to the vena cava, a large vein that transports blood to the heart. The blood in the veins of the legs works against gravity in order to return upwards to the heart. The ...

For those who are overweight or have very swollen legs, your surgeon may also recommend a compression pump, a plastic sleeve to wear on the lower legs for several hours each day that compresses the ...

Known as varicose veins, these blood vessels, which return blood from the legs to the heart, are actually a more superficial system. The real, working venous system for the legs lies deeper ...

Thompson is removing a healthy vein from Raymond's leg so it will be ready for Raymond's quadruple bypass operation. In order to get blood to the heart muscle of a by-pass patient more efficiently ...

High blood pressure, stress, sun exposure, vein dysfunction, pregnancy, and other factors can contribute to the appearance of veins on the forehead. Genetic factors or age can influence whether ...

blood is forced upwards toward the heart. A series of one-way bicuspid valves prevents refluxing of blood back into the leg. As blood is ejected from the deep veins, venous pressure drops allowing ...

Pregnancy brings dramatic changes to a woman's vascular system, with potentially serious health implications for both mother ...