急性下壁心肌梗塞(下壁AMI)常伴胸前导联S—T段压低,其具有重要的临床意义。现就我院收治的46例下壁AMI患者分析如下。一、资料与方法46例下壁AMI,除外影响S—T段的因素(如应用洋地黄、预激、束枝传导阻滞等)。男34例,女12例。从首发症状始,均于48小时内记录心电图(ECG),平均10.8小时。ECG病理性Q波及 Acute inferior myocardial infarction (inferior wall AMI) often accompanied by chest lead S-T segment depression, which has important clinical significance. 46 cases of inferior wall AMI patients admitted to our hospital are analyzed as follows. First, the data and methods 46 cases of inferior wall AMI, except for the factors that affect the S-T segment (such as the application of digitalis, pre-excitation, bundle branch block, etc.). 34 males and 12 females. From the onset of the first symptom, ECGs were recorded within 48 hours, averaging 10.8 hours. ECG pathological Q wave