MAUDE Adverse Event Report: CARDIAC SCIENCE CORPORATION POWERHEART G5 KIT, SEMI, US ENG/ESP LA; AUTOMATED EXTERNAL DEFIBRILLATOR

Model Number	G5S-80C
Medical Device Problem Code	Failure of Device to Self-Test (2937)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
Complainant alleged that during functional testing, the device prompted a "self test failure for z sample < threshold" message.Complainant indicated that there was no patient involvement in the reported malfunction.
Additional Manufacturer Narrative
The device was returned to zoll medical corporation for evaluation.The customer's report was observed during review of the device data logs.However, the device was put through extensive testing including daily/weekly/monthly testing, on/off current testing, patient/circuit impedance testing and shock testing without duplicating the report.An internal inspection found no discrepancies.The main board will be replaced as a precaution.The device will be recertified and returned to the customer.Analysis of reports of this type has not identified an increase in trend.

• Brand Name: POWERHEART G5 KIT, SEMI, US ENG/ESP LA
• Common Device Name: AUTOMATED EXTERNAL DEFIBRILLATOR
• Manufacturer (Section D): CARDIAC SCIENCE CORPORATION; 500 burdick parkway; deerfield WI 53531 9692
• Manufacturer Contact: scott august ; 269 mill road; chelmsford, MA 01824 ; 9784219552
• MDR Report Key: 23064892
• Report Number: 2112020-2025-00591
• Device Sequence Number: 18638844
• Product Code: MKJ
• UDI-Device Identifier: 00812394021284
• UDI-Public: (01)00812394021284
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• Initial Reporter Country: US
• PMA/510(K) Number: P160033
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 08/27/2025

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: Other
• Device Model Number: G5S-80C
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/27/2025
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/27/2025
• Initial Report FDA Received Date: 09/16/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/26/2024
• 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