MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO. VIVA¿ QUAD XT CRT-D; DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER, WITH CARDIAC RESYNCHRONIZATIO

Model Number	DTBA1QQ
Medical Device Problem Codes	Signal Artifact/Noise (1036); Electromagnetic Interference (1194); Over-Sensing (1438); Device Sensing Problem (2917)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/21/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
It was reported that the cardiac resynchronization therapy defibrillator (crt-d) exhibited oversensing/noise on the right atrial (ra) channel resulting in false detection of atrial tachycardia/atrial fibrillation (at/af).It was suspected that the noise/oversensing was due to possible electromagnetic interference from an external source, such as a magnet.The crt-d remains in use.No patient complications have been reported as a result of this event.

• Brand Name: VIVA¿ QUAD XT CRT-D
• Common Device Name: DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER, WITH CARDIAC RESYNCHRONIZATIO
• Manufacturer (Section D): MEDTRONIC PUERTO RICO OPERATIONS CO.; road 31, km. 24, hm 4; ceiba norte industrial park; juncos PR 00777
• Manufacturer (Section G): MEDTRONIC PUERTO RICO OPERATIONS CO.; road 31, km. 24, hm 4; ceiba norte industrial park; juncos PR 00777
• Manufacturer Contact: gerard torenvliet ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 7635269277
• MDR Report Key: 23853539
• Report Number: 3004209178-2025-21471
• Device Sequence Number: 10030313
• Product Code: NIK
• UDI-Device Identifier: 00643169530171
• UDI-Public: (01)00643169530171(17)180914
• Combination Product (Y/N): N
• Initial Reporter State: OK
• Initial Reporter Country: US
• PMA/510(K) Number: P010031
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 12/19/2025

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: Lay User/Patient
• Device Expiration Date: 09/14/2018
• Device Model Number: DTBA1QQ
• Device Catalogue Number: DTBA1QQ
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/08/2025
• Initial Report FDA Received Date: 12/19/2025
• Date Device Manufactured: 03/18/2017
• 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
• Concomitant Medical Products and Therapy/Usage Dates: 5076 LEAD, 6935M LEAD, 4598 LEAD.
• Patient Age: 69 YR
• Patient Sex: Male