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自从Morris等提出Pv_1终末电势(PTF-V_1)≤0.04毫米·秒作为诊断左房增大的条件以来,PTF-V_1的正常标准及临床意义受到国内外临床工作者的广泛重视,但迄今对于PTF-V_1的认识尚不一致。本文就我院253例心脏病及非心脏疾病患者的心电图资料作一分析、比较,供同道参考。病例选择及方法 253例患者系门诊及住院患者,均经询问病史、体格检查、心电图、X线及有关检查,其中肺心病74例(按1977年诊断标准),
The standard and clinical significance of PTF-V_1 has been widely recognized by clinicians at home and abroad since Morris et al. Proposed that the Pv_1 terminal potential (PTF-V_1) ≤ 0.04 mm · s should be used as a diagnosis of left atrial enlargement. However, The understanding of PTF-V_1 is still not consistent. This article on our hospital 253 cases of heart disease and non-heart disease in patients with ECG data for an analysis, comparison, for fellow reference. Case Selection and Methods 253 patients were outpatients and inpatients were asked history, physical examination, ECG, X-ray and related tests, of which pulmonary heart disease in 74 cases (according to the diagnostic criteria of 1977)