Approximately 2 hours after initiation of ecmo, the cp22 became dislodged from the drive unit.Ecmo flows were stable without issue prior to the occurrence.The disposable was immediately inspected for cracks, air, compromise.Nothing seen upon visual inspection.The cp22 was placed back in the drive unit, but did not seem to be spinning correctly and a "strange sound" was heard at the pump head (not grinding).The primer elected to change out the cp22 emergently per center protocols.The patient was supported by the medical team during the intervention and required pressor support with 1 additional dose of epinephrine.Total time off bypass was 11 minutes.Ecmo flow was restored following the pump head change out.No further issue with the pump head/drive unit was noted throughout the duration of the ecmo run.
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