The heart is a muscle about the size of your fist. Your heart pumps blood and oxygen to all of the organs and tissues of the body through a network of “pipes” called arteries and veins. The heart ...
People who have an abnormal passageway between an artery and vein (arteriovenous fistula) in the leg. Vein ligation and stripping removes varicose veins successfully in 80 out of 100 people. That ...