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本文用Case等提出的顺序角度导联分析观察了100例正常人及94例单纯下壁心肌梗塞(简称下壁梗塞)者的心电图,结果发现:(1)-aVR导联的q波出现率很低,且均<0.02s及(1/4)R,-aVL及-I的q波出现率虽较高但均无ST段上抬。(2)在下壁梗塞中,异常q波及ST段上抬除见于Ⅱ、Ⅲ、aVF外,大多数并见于-aVR、-aVL、-I等导联。作者根据病理性q波及ST段上抬的部位和范围将下壁梗塞分为4个类型,探讨了它们与病情和预后的关系。
In this paper, we used case-based sequential angle lead analysis to observe the electrocardiogram of 100 normal subjects and 94 patients with simple inferior myocardial infarction (referred to as inferior wall infarction). The results showed that: (1) The incidence of q-wave in a-aVR leads Low and both <0.02s and (1/4) R, -aVL and -I q-wave appeared higher but no ST-segment elevation. (2) in the inferior wall infarction, abnormal q wave and ST segment elevation seen in Ⅱ, Ⅲ, aVF, the majority found in-aVR, -aVL, -I lead. The authors divided the inferior wall infarction into four types according to the location of the pathological q-wave and ST-segment elevation and explored their relationship with the disease and prognosis.