Accurhythm za420 (pause): FDA malfunction report involving AI
The FDA received a malfunction report involving Accurhythm za420 (pause), made by Medtronic, inc.. It was reported that true pause episodes were rejected as false by the artificial intelligence (ai) algorithm. no patient complications have been reported as a result of this event.

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- Device: Accurhythm za420 (pause); manufacturer: Medtronic, inc..
- FDA report type: Malfunction.
- An adverse-event report is a safety signal, not proof that the device caused the event.
An FDA adverse-event report linked Accurhythm za420 (pause) to an AI-related malfunction; the report requires investigation and does not by itself establish causality.
The rundown
It was reported that true pause episodes were rejected as false by the artificial intelligence (ai) algorithm. no patient complications have been reported as a result of this event.
The report is part of FDA’s MAUDE surveillance data. It should be read as a signal for follow-up, not a clinical conclusion or a verified incidence rate.
Sources
- GovernmentFDA MAUDE report 249962272026-04-27
The debate