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目的探讨PTF v1的测量对诊断疾病、观察病情进展、判断预后的临床意义。方法常规心电图描记,V1导联P波终末电势测量,负向P波的深度乘以宽度,单位mm·s。结果 2002年临床确诊的冠心病、高心病、肺心病、心衰患者共700例,有20例PTF v1异常(占2.8%)。结论 PTF v1异常与多种心脏病有关。 PTF v1异常说明心脏受累的程度,经治疗后观察V1的负向P波可缩小或消失。PTF v1负值大小与左房压力呈平行关系。PTF v1的测量对于指导治疗有一定的临床意义。
Objective To investigate the clinical significance of PTF v1 measurement in the diagnosis of disease, observation of disease progression and prognosis. Methods Conventional electrocardiography, P lead terminal V1 potential measurement, the depth of negative P-wave width, in units of mm · s. Results A total of 700 patients with coronary heart disease, high heart disease, pulmonary heart disease and heart failure were diagnosed in 2002, and 20 cases had abnormal PTF v1 (2.8%). Conclusions PTF v1 abnormalities are associated with a variety of heart diseases. PTF v1 abnormalities indicate the extent of heart involvement, after treatment observed V1 negative P wave can be reduced or disappeared. The negative PTF v1 value is parallel to the left atrial pressure. PTF v1 measurement for the treatment of certain clinical significance.