Patient scheduled for manometry with impedance catheter placement.While calibrating impedance recorder, recorder shut off while inputting patient's medical record number.Batteries were removed and replaced.Impedance recorder came back on without any issue.Calibrated catheter without any issue.Catheter placed and recorder verified to be working before patient discharge.Patient called back approximately 45 minutes after discharge and said that the recorder was not illuminating when button was pushed for meal start.Patient returned following day and the recorder was uploaded.No information had been recorded.Several of these digitrapper ph-2 monitors lost battery power soon after the patient was released from the procedure area.This was due to the wrong type of battery being placed into the monitor.The monitor requires alkaline batteries and lithium were being used.I have a rough estimate of this happening 5 times before our staff was able to figure out the problem.
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