MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) QUADRA ASSURA CRT-D QUAD RF HV; No Match

Model Number	CD3365-40Q
Medical Device Problem Codes	Incorrect Interpretation of Signal (1543); Inappropriate/Inadequate Shock/Stimulation (1574)
Health Effect - Clinical Code	Arrhythmia (1721)
Date of Event	01/16/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that implantable cardioverter defibrillator (icd) delivered inappropriate shock due to incorrect interpretation of signal.Inappropriate anti-tachycardia pacing (atp) potentially induced actual ventricular tachycardia (vt) which was successfully resolved by the device.The product will continue to be monitored.No patient consequences were reported.

• Brand Name: QUADRA ASSURA CRT-D QUAD RF HV
• Common Device Name: No Match
• 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: 24273099
• Report Number: 2017865-2026-02574
• Device Sequence Number: 10723275
• Product Code: NIK
• UDI-Device Identifier: 05414734508292
• UDI-Public: (01)05414734508292(10)A000104049(17)221231
• Combination Product (Y/N): N
• Initial Reporter State: NC
• Initial Reporter Country: US
• PMA/510(K) Number: P030054
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Nurse
• Type of Report: Initial
• Report Date (Section B): 02/05/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 12/31/2022
• Device Model Number: CD3365-40Q
• Device Catalogue Number: CD3365-40Q
• Device Lot Number: A000104049
• 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: 01/16/2026
• Initial Report FDA Received Date: 02/05/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/15/2020
• 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: OPTISURE; QUARTET; TENDRIL
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Male