This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
就是模拟开关这里 切换到检测呼吸时 老是提示LA导联脱落，把模拟开关拆掉 直接短接(短路的方式是分别短，比如X和X1短完测试心电， 在把X和X2短 ，把X1断开测呼吸) 还是一样提示LA导联脱落，不测呼吸时 心电波形以及 导联都正常.
您好，把切换呼吸的通道更换到CD4052的其他通道试试，看是否是CD4052的问题。
