Hospital Wearable Defibrillator HWD 1000 MonitorRecalls & reported problems
Zoll Manufacturing Corporation · Class 3
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 5
- Deaths reported
- 0
- Injuries reported
- 5
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 5 adverse event reports that list this exact device (DI 00855778005159), received between Apr 23, 2020 and Dec 15, 2021 — classified as 5 injuries.
The most frequently reported specific device problem is “Inappropriate/Inadequate Shock/Stimulation” (5 reports).
6 other recalls cover devices cleared under the same FDA submission (P010030); they may or may not involve this specific model.
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Most reported problems
Device problems
- Inappropriate/Inadequate Shock/Stimulation5
- Signal Artifact/Noise3
- Incorrect Interpretation of Signal1
- Use of Device Problem1
Patient problems
- Shock from Patient Lead(s)5
Recent adverse event reports
The 5 most recent of 5 reports, in the reporter's own words as published by the FDA.
InjuryDec 15, 2021Signal Artifact/Noise; Incorrect Interpretation of Signal; Inappropriate/Inadequate Shock/Stimulation
THE PATIENT WAS INAPPROPRIATELY TREATED ONE TIME. THE PATIENT'S NEUROLOGICAL STATUS AT THE TIME OF THE EVENT IS UNKNOWN. MOTION ARTIFACT CONTRIBUTED TO THE FALSE DETECTION. THE RESPONSE BUTTONS WERE NOT PRESSED DURING THE EVENT. NO INJURY WAS REPORTED FROM THE TREATMENT. NO DEFICIENCIES WERE ALLEGED AGAINST THE DEVICE.
Patient problems: Shock from Patient Lead(s)
MAUDE report 13013006 ↗InjurySep 8, 2021Signal Artifact/Noise; Inappropriate/Inadequate Shock/Stimulation; Use of Device Problem
THE PATIENT WAS INAPPROPRIATELY TREATED THREE TIMES. THE PATIENT'S NEUROLOGICAL STATUS AT THE TIME OF THE EVENT IS UNKNOWN. INTERFERENCE AND ARTIFACT CONTRIBUTED TO THE FALSE DETECTION. THE RESPONSE BUTTONS WERE NOT PRESSED DURING THE EVENT. NO INJURY WAS REPORTED FROM THE TREATMENT. NO DEFICIENCIES WERE ALLEGED AGAINST THE DEVICE.
Patient problems: Shock from Patient Lead(s)
MAUDE report 12443474 ↗InjuryJul 30, 2021Signal Artifact/Noise; Inappropriate/Inadequate Shock/Stimulation
A DISTRIBUTOR CONTACTED ZOLL TO REPORT THAT A PATIENT WAS INAPPROPRIATELY TREATED ONE TIME. THE PATIENT'S NEUROLOGICAL STATUS AT THE TIME OF THE EVENT IS UNKNOWN. MOTION ARTIFACT CONTRIBUTED TO THE FALSE DETECTION. THE RESPONSE BUTTONS WERE PRESSED AFTER THE TREATMENT WAS DELIVERED. THE RESPONSE BUTTONS FUNCTIONED APPROPRIATELY. NO INJURY WAS REPORTED FROM THE TREATMENT. NO DEFICIENCIES WERE ALLEGED AGAINST THE DEVICE.
Patient problems: Shock from Patient Lead(s)
MAUDE report 12252064 ↗InjuryJun 11, 2021Inappropriate/Inadequate Shock/Stimulation
THE PATIENT WAS INAPPROPRIATELY TREATED 1 TIME BY THE HOSPITAL WEARABLE DEFIBRILLATOR (HWD). THE PATIENT'S NEUROLOGICAL STATUS AT THE TIME OF THE EVENT IS UNKNOWN. MOTION ARTIFACT CONTRIBUTED TO THE FALSE DETECTION. THE RESPONSE BUTTONS WERE PRESSED AFTER THE TREATMENT WAS DELIVERED. THE RESPONSE BUTTONS FUNCTIONED APPROPRIATELY. NO INJURY WAS REPORTED FROM THE TREATMENT. THE PATIENT WAS IN THE HOSPITAL AT THE TIME OF THE EVENT. NO DEFICIENCIES WERE ALLEGED AGAINST THE DEVICE.
Patient problems: Shock from Patient Lead(s)
MAUDE report 11986319 ↗InjuryApr 23, 2020Inappropriate/Inadequate Shock/Stimulation
A US DISTRIBUTOR CONTACTED ZOLL TO REPORT THAT A PATIENT EXPERIENCED AN INAPPROPRIATE DEFIBRILLATION EVENT CONSISTING OF ONE SHOCK WHILE USING A HOSPITAL WEARABLE DEFIBRILLATOR (HWD). THE RESPONSE BUTTONS WERE NOT PRESSED DURING THE EVENT. MOTION ARTIFACT CONTRIBUTED TO THE FALSE DETECTION. THERE WAS NO DEATH OR DEVICE MALFUNCTION ASSOCIATED WITH THE INAPPROPRIATE DEFIBRILLATION EVENT.
Patient problems: Shock from Patient Lead(s)
MAUDE report 9990546 ↗
Recalls under the same FDA submission
These recalls involve devices cleared under P010030. One submission often covers many models, so check the product and lot details in each record.
- Z-0353-2018 · Sep 12, 2017 · TerminatedLifeVest Wearable Defibrillator Model 4000, Product Number 10A0988-A01. The LifeVest system is indicated for patients 18 years of age and older who are at risk for sudden cardiac
- Z-0625-2011 · Sep 24, 2010 · TerminatedModel 4000 Monitor component of the LifeVest Wearable Defibrillator
- Z-0883-2009 · Oct 21, 2008 · TerminatedMonitor portion of the LifeVest device - specifically the Defibrillator printed circuit assembly (PCA) within the monitor. The LifeVest is indicated for adult patients who are at
- Z-0061-2008 · Sep 14, 2007 · TerminatedBattery Pack portion of the LifeVest device. The LifeVest is a wearable cardioverter defibrillator worn by a patient at risk for sudden cardiac arrest (SCA).
- Z-0936-2007 · Apr 27, 2007 · TerminatedElectrode Belt, component of the LifeVest Wearable Defibrillator, Product number 10A0889-A01. Specifically the 3 Therapy Electrode Pads attached to the Electrode Belt.
- Z-0578-03 · Jan 10, 2003 · TerminatedLife Vest (WCD 3000) Electrode Belt. Wearable Cardioverter Defibrillator. Product label 20A0051-FI.
Other Wearable Automated External Defibrillator devices
- LifeVest Wearable Defibrillator LifeVest 4000 MonitorZoll Manufacturing Corporation · Wearable Automated External Defibrillator2,039 deaths36,128 reports
- LifeVest Wearable Defibrillator LifeVest 4000 Electrode BeltZoll Manufacturing Corporation · Wearable Automated External Defibrillator44 deaths15,404 reports
- LifeVest Wearable Defibrillator LifeVest 4000 Battery PackZoll Manufacturing Corporation · Wearable Automated External Defibrillator1 death9,929 reports
- LifeVest Wearable Defibrillator LifeVest 4000 Battery ChargerZoll Manufacturing Corporation · Wearable Automated External Defibrillator1 death6,327 reports
- LifeVest Wearable Defibrillator LifeVest 4000 Electrode BeltZoll Manufacturing Corporation · Wearable Automated External Defibrillator14 deaths4,460 reports
- LifeVest Wearable Defibrillator LifeVest 4000 Battery ChargerZoll Manufacturing Corporation · Wearable Automated External Defibrillator1 death1,296 reports
- ASSURE WCD System 80014-002Kestra Medical Technologies, Inc. · Wearable Automated External Defibrillator31 deaths930 reports
- LifeVest Wearable Defibrillator LifeVest 5100 Battery PackZoll Manufacturing Corporation · Wearable Automated External Defibrillator557 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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