Definition for Ischemia
From Biology Forums Dictionary
Ischemia is the medical term for what happens when your heart muscle doesn't get enough oxygen. Ischemia usually happens because of a shortage of blood and oxygen to the heart muscle. It is usually due to narrowing or blockage of one or more of the coronary arteries (which supply blood to the heart muscle). In many cases ischemia is a temporary problem. Your heart may be able to get enough blood through your diseased coronary arteries while you are resting but may suffer from ischemia during exertion or stress.
