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经典的心电图理论认为急性透壁性下壁心肌梗塞早期心电图心前导联ST段下降是下壁导联ST段抬高在前壁导联的镜面投影。近年来国外一些学者对此提出了异议。他们发现急性下壁心肌梗塞早期仅略多于半数的患者出现心前导联ST段下降,有此心电图改变者CK峰值高,射血分数低,并发症多,近期及远期死亡率高,下壁心肌梗塞面积大或多合并真后壁、后侧壁心肌梗塞,以及伴有前壁缺血或非透壁性梗塞。国内尚未见这方面的报道。本文用QRS记分系估价心肌梗塞的部位和范围,初步探讨
Classical ECG theory that the acute transmural inferior wall myocardial infarction early ECG ST-segment anterior descending ECG is the ST segment elevation in the anterior wall of the lead mirror projection. In recent years, some foreign scholars have raised objections. They found that in patients with acute inferior wall myocardial infarction, only a little over half of patients had an ST-segment decline in their precursors. This change in ECG showed high CK, low ejection fraction, multiple complications, high near-term and long-term mortality, Wall myocardial infarction area or more with real posterior wall, posterior myocardial infarction, and accompanied by anterior wall ischemia or non-transmural infarction. Domestic yet to see this report. In this paper, QRS scoring system to assess the location and extent of myocardial infarction, a preliminary study