The customer reported that the patient experienced low fill volumes and low cardiac output while being supported by primary freedom driver 4550 (see mfr report 3003761017-2014-00178).The patient switched to the backup freedom driver 4500, but continued to experience low fill volumes and low cardiac output.The patient was switched to a companion 2 driver without adverse impact.The customer also reported that the patient is still fluid overloaded, but his condition is improving.This alleged failure mode poses a low risk to the patient because it does not prevent the freedom driver from performing its life-sustaining functions.Although the patient experienced high full volumes, the freedom driver continued to function as intended.
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