MAUDE Adverse Event Report: Abbott Medical (CRM-Sylmar) QUARTET; Defibrillator, Automatic Implantable Cardioverter, With Cardiac Resynchronization (Crt-D)

Model Number	1458QL/86
Medical Device Problem Codes	High impedance (1291); Low impedance (2285); Capturing Problem (2891)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/21/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that high capture threshold and decreased pacing impedance were observed on the right ventricular (rv) lead and the left ventricular (lv) lead.Decreased defibrillation impedance was observed on the rv lead.No intervention was performed.The patient was stable and will continue to be monitored.There were no adverse consequences.

• Brand Name: QUARTET
• Common Device Name: Defibrillator, Automatic Implantable Cardioverter, With Cardiac Resynchronization (Crt-D)
• Manufacturer (Section D): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): Abbott Medical (CRM-Sylmar); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: navpreet singh ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 50161875
• Report Number: 2017865-2026-16541
• Device Sequence Number: 10034954
• Product Code: NIK
• UDI-Device Identifier: 05414734510219
• UDI-Public: (01)05414734510219(10)A000187581(17)290430
• Combination Product (Y/N): Y
• Initial Reporter Country: PO
• PMA/510(K) Number: P030054
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 09/15/2026

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 Model Number: 1458QL/86
• Device Lot Number: A000187581
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/21/2026
• Supplement Date Received by Manufacturer: 09/09/2026
• Initial Report FDA Received Date: 08/06/2026
• Supplement Report FDA Received Date: 09/15/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/12/2026
• 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
• Patient Sequence Number: 1
• Patient Sex: Unknown