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大量的分析研究证实:穿壁性心肌梗塞可以无病理性Q波,特别是小的穿壁性梗塞、位于侧壁的梗塞,有些急性心肌梗塞患者的Q波还可消失。而非穿壁性心肌梗塞及其它临床情况有的则可出现病理性Q波,据有人推测当室壁厚度的内1/2以上梗塞时,则可产生Q波;高血钾、低血糖、胰腺炎、休克、有机磷中毒、脑血管意外、变异性心绞痛等也可出现Q波。现将有关资料叙述如下: 1.血清酶:一般而言,无Q波的心肌梗塞心脏酶的升高程度比有Q波的低的多。由于CPK的最高浓度可反映梗塞总面积的大小,所以无Q波的梗塞比有Q波的梗塞范围要小。2.非侵入性分析:在心肌梗塞后的头几个小时内做二维超声心动
A large number of studies have shown that transmural myocardial infarction can be pathological Q waves, especially small transmural infarcts, located in the side wall of the infarction, Q wave in some patients with acute myocardial infarction can disappear. Rather than wearing a wall myocardial infarction and other clinical conditions, there may be pathological Q wave, it was speculated that when the wall thickness of more than 1/2 infarction, you can produce Q wave; hyperkalemia, hypoglycemia, Pancreatitis, shock, organophosphate poisoning, cerebrovascular accident, angina pectoris can also occur Q waves. Now the relevant information is described as follows: 1. Serum enzymes: In general, no Q-wave myocardial infarction cardiolipin levels higher than the Q waves were much lower. Because the highest concentration of CPK reflects the size of the total infarct size, infarcts without Q waves are smaller than those with Q waves. 2. Non-invasive analysis: Two-dimensional echocardiography was performed within the first few hours after myocardial infarction