Heart Attack: What Is a Heart Attack?
A heart attack , or acute myocardial infarction (AMI) , is a sudden, complete (or near-complete) stoppage of oxygenated blood flow to the heart muscle, or myocardium . When the myocardium is oxyge ... Tags: arteries chambers veins heart attack anatomy of human heart www.quamut.com/quamut/heart_attack/page/what_is_a_heart_attack.html Copyright © 2008 Barnes & Noble, Inc. |