At 14:20 pm, almost 3 hours into dialysis treatment, the patient became unresponsive with no pulse.Cpr was initiated and 911 called.Ems arrived and cpr continued for 30 minutes when a pulse was finally achieved.Patient was subsequently transported to the hospital; however, expired in the emergency room.Dialysis machine was pulled for function testing after the event.Ph was noted to be out of range at 8.4 using a phoenix meter.Pre-treatment ph was noted to be 7.5.Calibration of phoenix meter was verified and subsequent tests gave same result of 8.4.
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