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第四节慢性冠状动脉供血不足的心电图诊断无心绞痛症状或症状不典型的慢性冠状动脉供血不足,在临床工作中是很难确诊。体格检查和X线往往不能提供诊断依据。心电图上显示出来冠状动脉供血不足的表现,已非早期病变,当出现典型
Section IV of chronic coronary artery insufficiency ECG diagnosis of angina pectoris or atypical symptoms of chronic coronary insufficiency, is difficult to diagnose in clinical work. Physical examination and X-ray often can not provide a diagnostic basis. Electrocardiogram showed the performance of coronary insufficiency, non-early lesions, when there is a typical