What is acute coronary syndrome?
Coronary arteries is the blood vessels that supply the heart muscle with oxygen-rich blood (artery = aortic). When the coronary arteries becomes narrow, blood flow in these arteries becomes inadequate in situations where the heart is working hard - as in heavy physical work. This condition is characterized by pain across the chest by physical strain and termed angina pectoris. Some people experience an changeable form of angina - called unstable angina pectoris. It is a condition in which a coronary artery is about to be blocked. If a coronary artery or a branch of it completely blocked, a heart attack occurs. If doctors are unblocked by coronary artery during a few hours, this results in a permanently weakened heart. The part of the heart muscle (myocardium) that loses blood supply, die and are replaced by scar tissue that lacks the ability to contract and push blood out of the heart so assignment to heart muscles normally.
Acute coronary syndrome encompasses a spectrum of serious coronary artery disease as unstable angina and myocardial infarction. Within the concept of acute coronary syndrome distinguishes between two types of myocardial infarction based on ECG findings: a type of so-called ST-segment elevation (STEMI) and another type of non-ST-segment elevation (non-STEMI) 1. The term "acute coronary syndrome" is useful because the initial, acute phase of illness and the treatment of unstable angina, STEMI and non-STEMI often the same.
What is the risk of acute coronary syndrome?
The risk after myocardial infarction with ST-segment elevation or death, according to a study 8-14% first month of pain onset in acute coronary syndrome 2. It is therefore, important to identify those patients who have the most serious prognosis as early as possible to prevent acute complications.
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