The customer reported that the patient was sent to the emergency department for rescue due to "cardiopulmonary arrest for 20 minutes" from 120, and electrocardiogram monitoring was given according to the doctor's advice.After cardiopulmonary resuscitation for more than 10 minutes, the patient recovered his autonomous heart rate, and the ecg waveform of the electrocardiogram monitor did not show.The ecg waveform still showed a straight line, which was not consistent with the reality.Replace the ecg monitor immediately and ask the maintenance personnel of the equipment department for maintenance.
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A philips post market surveillance manager (pmsm) remotely interviewed the customer and confirmed there was no issues with the 5 lead ecg electrodes, and they were purchased from philips.The root cause of the issue was determined to be the parameter board.Once the parameter board was replaced, the unit was returned to user specification.After parameter board replacement the device was returned to functional use with no further issues identified.The device remains at the customer site.
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