It was reported that a patient underwent a procedure for left atrial tachycardia with a carto 3 system where a map shift occurred.During the procedure, multiple map shifts occurred, each about 2 cm.A catheter snapshot of the coronary sinus was taken prior to the first map shift.Then, a new map was created, and another map shift occurred 5 minutes later.No error messages displayed.No cardioversion was performed, and the patient did not move.The procedure was completed with the same carto 3 system.No patient consequences were reported.A map shift with no error message can potentially be caused by a system malfunction, presenting a potential risk to the patient.As a result, this event is mdr reportable.
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Manufacturer's reference number: (b)(4) it was reported that a patient underwent a procedure for left atrial tachycardia with a carto 3 system where a map shift occurred.The field service engineer reported that the issue was related to patient movement, and was never duplicated.The customer declined service because the issue was not duplicated during the next procedure the same day.The system is operational.A device history record (dhr) review was performed by the manufacturer, and no anomalies related to the reported issue were noted in the manufacturing or servicing of this equipment.The customer complaint could not be confirmed.
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