I have had every symptom of a heart attack, only the doctor told me there was "no enzyme action" in your blood - and it was not a heart attack. - it sure as hell felt like one!
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Tissue plasminogen activator.
No. Arteriosclerosis is the progressive narrowing of the blood vessels that leads to a heart attack.
A heart attack occurs if the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked. If blood flow isn't restored quickly, the section of heart muscle begins to die. If the heart cannot supply blood to other organs they cannot function and will also die.
If the heart stops (heart attack) the loss of new blood supply causes heart muscle to begin dieing and if recovery isn't started soon you will die. If the heart attack is caused from one or more blocked arteries then the heart tissue depending on blood flow will begin dieing. Quick recovery of blood flow to the heart is necessary as the heart gets it's oxygen and nutrients before the other parts of the body.
A heart attack, called a myocardial infarction in medical terms, is the death of the heart's muscle tissue due to lack of blood flow. The direct cause is a blockage in one of the blood vessels that supply the heart muscle.