MAUDE Adverse Event Report: ABBOTT MEDICAL EP-4¿ CARDIAC STIMULATOR; COMPUTER, DIAGNOSTIC, PROGRAMMABLE

Model Number	H403023
Medical Device Problem Code	Communication or Transmission Problem (2896)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/27/2025
Type of Reportable Event	Malfunction
Event or Problem Description
During a supraventricular tachycardia procedure, communication issues resulted in the procedure being cancelled.The ep-4 simulator was powered on but the following message was displayed on the touchscreen: "ep-4 is off".The procedure was cancelled.There were no adverse consequences to the patient.
Additional Manufacturer Narrative
The results of the investigation are inconclusive since the device was not returned for analysis.Based on the information received, the cause of the reported incident could not be determined.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed.No non-conformances associated with the reported event were identified.

• Brand Name: EP-4¿ CARDIAC STIMULATOR
• Common Device Name: COMPUTER, DIAGNOSTIC, PROGRAMMABLE
• Manufacturer (Section D): ABBOTT MEDICAL; one st. jude medical drive; st. paul MN 55117
• Manufacturer (Section G): ABBOTT MEDICAL; one st. jude medical drive; st. paul MN 55117
• Manufacturer Contact: wendy mccarty ; 5050 nathan lane n; plymouth, MN 55442 ; 6517565400
• MDR Report Key: 23571166
• Report Number: 2184149-2025-00184
• Device Sequence Number: 21400729
• Product Code: DQK
• UDI-Device Identifier: 05414734030236
• UDI-Public: (01)05414734030236(10)5660996
• Combination Product (Y/N): N
• Initial Reporter Country: KS
• PMA/510(K) Number: K092913
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• 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?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: H403023
• Device Catalogue Number: H403023
• Device Lot Number: 5660996
• 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: 10/27/2025
• Supplement Date Received by Manufacturer: 01/16/2026
• Initial Report FDA Received Date: 11/17/2025
• Supplement Report FDA Received Date: 02/05/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/07/2016
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown