编辑同志:编辑部转来的四川屏山县卫生防疫站方炳森同志《对(心房分离)一文的商榷》,已经收到,现就有关方面给以答复:一、关于异位 p′波和其后数十毫秒时间的纤动波,方同志《商榷》一文认为诊断心房分离的依据不足,而极有可能为呼吸肌肌电伪差的误诊。诚然,异位 p′波和其后的纤动波是容 Editing comrades: The editorial department transferred Sichuan Pingshan Health and Epidemic Prevention Station Comrade Fang Bingsen “on (atrial septal separation), a text of the discussion,” has been received, the relevant authorities are given to reply: First, on the ectopic p ’wave and thereafter A few tens of milliseconds of fibrillation wave, Fang comrades “deliberation” article that lack of evidence based on the diagnosis of atrial septal segregation, but most likely misdiagnosed as false positives of the respiratory muscle. It is true that ectopic p ’wave and subsequent fibrillations are tolerable