Heart+Disease-Description

__**[|Heart disease]**__ happens when small blood vessels that supply oxygen and blood to the heart narrow.

In 1912, an american physician named James B. Herrick first describes heart disease resulting from hardening of the arteries. In 1938, the first heart surgery is preformed by american surgeon Robert E. Gross. In 1965, american surgeons Michael DeBakey and Adrian Kantrowitz implant mechanical devices to help a patient with heart disease.