MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) ZEPHYR XL DR; Pulse generator, permanent, implantable

Model Number	5826
Medical Device Problem Codes	Failure to Interrogate (1332); Use of Device Problem (1670); Unexpected Mode Switch (4076)
Health Effect - Clinical Codes	Dizziness (2194); Discomfort (2330)
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the patient presented to the clinic for a follow-up visit, experiencing chest discomfort and dizziness.The pacemaker, initially programmed to odo mode, was inadvertently activated to backup vvi mode by the programmer.However, interrogation of the device was unsuccessful because it had reached the elective replacement indicator (eri).Consequently, system restoration could not be completed.The patient¿s condition was unknown.

• Brand Name: ZEPHYR XL DR
• Common Device Name: Pulse generator, permanent, implantable
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 23578299
• Report Number: 2017865-2025-1005138
• Device Sequence Number: 15802156
• Product Code: NVZ
• UDI-Device Identifier: 05414734501620
• UDI-Public: (01)05414734501620(10)2914362(17)100430
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: P880086
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2008
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 11/18/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 04/30/2010
• Device Model Number: 5826
• Device Lot Number: 2914362
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/04/2025
• Initial Report FDA Received Date: 11/18/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/03/2008
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: AVEIR VR
• Patient Sex: Unknown