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某部卫生队一台日产5151型心电图机,送我院检修,据反映,此台心电图机经常出现间断干扰,打开电源后,做图出现干扰,不做图有时也出现干扰。我们对这台心电图机进行了反复检查,没有发现任何故障,用模拟心电信号做图正常,实际记录人体心电信号也正常,关掉抗干扰开关做图同样正常。取回心电图机后仍然存在干扰。在卫生队要求下我们到现场进行检修,从下午2点到4点没有关机,做了4人心电图,没有发现干扰。第二天上午8点开
A health team of a Nissan 5151 ECG machine, sent to our hospital overhaul, it is reported that this station often intermittent ECG interference, turn on the power, the figure appears to interfere, do not figure sometimes appear interference. We have repeatedly checked this ECG machine, did not find any failure to do with normal analog ECG signal, the actual recording of human ECG is normal, turn off the anti-interference switch to do the same figure. There is still interference after retrieving the ECG. At the request of the health team we went to the scene for overhaul, from 2 o’clock to 4 o’clock did not shut down, made 4 ECG, did not find interference. The next morning 8 am open