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测定血清中游离的心肌酶,是诊断心肌缺血特别是不可逆性缺血的可靠方法。本法的优点是:①如选择酶的种类适当,敏感性和特异性颇高;②能够早期诊断心肌缺血(坏死);③经济简便,患者负担小;④可以测定梗塞范围。但除心肌缺血(坏死)外,还有许多病理性的血清酶升高,酶的释放在心肌缺血时的时
Determining free serum myocardial enzymes is a reliable method of diagnosing myocardial ischemia, especially irreversible ischemia. The advantages of this method are as follows: ①If the type of enzyme is appropriate, the sensitivity and specificity are high; ② myocardial ischemia (necrosis) can be diagnosed early; ③ the economy is simple and the patient burden is small; ④ the range of infarction can be determined. However, in addition to myocardial ischemia (necrosis), there are many pathological serum enzymes, enzyme release in myocardial ischemia