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

Model Number	CDHFA300Q
Medical Device Problem Codes	Failure to Interrogate (1332); Inappropriate or Unexpected Reset (2959)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/07/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that three weeks post-implantation, the patient reported hearing an audible alert tone from the device.During a follow-up clinic visit, the physician found that the device had entered backup vvi mode with no backup defibrillation function on (bdfo).There were unsuccessful attempts to interrogate the device.Following troubleshooting, it was decided to replace the generator with a new device.The patient was in stable condition with no adverse events.

• Brand Name: Entrant HF
• 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: 50915146
• Report Number: 2017865-2026-20505
• Device Sequence Number: 17491241
• Product Code: NIK
• UDI-Device Identifier: 05415067032850
• UDI-Public: (01)05415067032850(10)P000251795(17)280229
• Combination Product (Y/N): N
• Initial Reporter Country: KZ
• 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,User Facility,Company Representative,Distributor
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 09/28/2026

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: CDHFA300Q
• Device Catalogue Number: CDHFA300Q
• Device Lot Number: P000251795
• 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: 09/07/2026
• Initial Report FDA Received Date: 09/28/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 03/10/2026
• 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
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown