What does ischemia cause in the body?

Other way 'round: Ischemia is caused by inadequate blood supply, and therefore inadequate oxygen supply to a part of the body. There is reversible - the tissue recovers when blood flow is restored - and irreversible ischemia - the latter resulting in tissue death. Ischemia can potentially occur anywhere in the body.

Depends: Any organ with ischemia is probably not working well and the product of that organ diminished. Heart-low cardiac output kidney failure brain stroke limb gangrene.

Ischemia: Ischemia means low blood flow to an organ or leg, for example. Low blood flow results in low oxygen to that organ or structure resulting in damage. Ischemia to a leg can cause pain with activity (claudication) & muscle damage. Ischemia to the heart could result in a heart attack. Ischemia to the brain could be a stroke. Etc.

Definition: ischemia: The term ischemia generally suggests a reduction of the blood supply to a given area of the body such that the functionality of that part of the body is impaired. Could be from a blockage in an artery delivering blood to that part of the body, or could be from a general reduction in blood supply to deliver to that part of the body. Symptoms depend on location - heart, brain, legs, abdomen...