Myocardial infarction: Difference between revisions

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Angina Pectoris
oxygen
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An '''acute myocardial infarction''', also called a '''heart attack''', happens when a [[blood vessel]] in the [[heart]] suddenly becomes blocked. Blood vessels carry [[blood]] and [[oxygen]]. When a blood vessel in the heart gets blocked, blood cannot get to part of the [[heart]]. This part of the heart does not get enough oxenoxygen. This is called [[Ischaemia|ischemia]]. When the heart muscle becomes ischemic (does not get enough blood and oxygen), the ischemia often causes chest pain. This is called [[angina pectoris|Angina Pectoris]]. If the ischemia lasts long enough, the heart muscle that is not getting enough oxygen dies. This is called an infarction. "[[Myocardium|Myocardial]] infarction" means "infarction (muscle death) in the heart muscle."
 
A heart attack is a [[medical emergency]]. The first few minutes are very important for keeping the person alive. Some of the damage from the heart attack can be repaired if the person gets treatment during the first hour of the attack.