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 ...

Blood travels around the body in tubes called arteries, veins or capillaries Arteries carry blood away from the heart towards an organ Veins carry blood from an organ towards the heart.

1. Chest pain Chest pain occurs when there is a blockage in the veins of the heart. Therefore, chest pain should never be ...

Veins between two capillary networks are portal systems. Closed circulatory system, but fluid constituents of blood leak out of capillaries and return to the heart by the second component of the ...

Venous reflux disease (VRD) occurs when veins do not properly return blood to the heart. Health experts refer to it as chronic venous insufficiency (CVI). VRD most commonly affects the legs and ...