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在过去,右房肥大的ECG诊断标准,主要是基于肢导联P波振幅增高及形态高尖,额面P电轴右偏,通常称之为“肺性P波”。这在两个尸检研究中得到一些支持。Berliner和Master在1938年报告,单纯左房肥大患者,P渡振幅正常,但4例单纯性右房肥大患者P波也无异常,而双侧心房肥大患者P波振幅增高。1962年,Caird和Willkend在11例阻塞性肺病右房扩大
In the past, ECG criteria for hypertrophy of the right atrium were mainly based on the increased amplitude and sharpness of the P-wave in the limb lead, and the right-partial P axis in the frontal plane, commonly referred to as “pulmonary P wave.” This received some support in two autopsy studies. Berliner and Master reported in 1938 that in patients with simple left atrial hypertrophy, the P-wave amplitude was normal, but P-wave was also normal in 4 patients with simple right atrial hypertrophy and in patients with bilateral atrial hypertrophy. In 1962, Caird and Willkend enlarged their right atrium in 11 patients with obstructive pulmonary disease