Patient in cardiovascular operating room for heart surgery.Due to the long surgery (5 hours), a patient warming system was used.The halyard thermal pad was connected to a kimberly-clark patient warming system via a hose, and the pad lain flat on the or table.Two draw sheets were placed over the warming pad, and then the patient lay on top of that, on her back.A sterile antiseptic solution was applied chin to knees; with towels on the flanks to keep the prep from dripping down to the table.After surgery, patient was found to have a 3-4 inch diameter blister to the left side of her middle back.Unfortunately, staff discarded the disposable warming pad.The machine was evaluated by our biomed department and passed all tests, and was up to date on preventative maintenance.It is unclear exactly what caused the burn.
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