Zoll LifeVest Defibrillator Software Update

FDA has updated a 1/18 safety alert that warned health professionals about Zoll Medical’s Zoll LifeVest 4000 Wearable Cardioverter Defibrillator due to concerns that it may fail to deliver treatment if it is not replaced soon after displaying a “call for service” message code 102. Failure to contact Zoll and immediately replace the device after the message code appears may result in serious patient harm or death, the alert said at the time. The update says Zoll is implementing a software design change that will display a new, more prominent and persistent message scheme for Code 102.

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