ONESTEP 8900-000405-01Recalls & reported problems
Zoll Medical Corporation · ONESTEP CPR COMPLETE ADULT/CHILD ELECTRODE, SINGLE · Class 3
All models of ONESTEP (8)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 10
- Deaths reported
- 1
- Injuries reported
- 0
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 10 adverse event reports that list this exact device (DI 00847946021160), received between Dec 13, 2018 and Sep 22, 2026 — classified as 1 death, 9 malfunctions.
The most frequently reported specific device problem is “Patient Device Interaction Problem” (8 reports).
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.
Reports received per month
Most reported problems
Device problems
- Patient Device Interaction Problem8
- Failure of Device to Self-Test1
- Failure to Deliver Shock/Stimulation1
- Sparking1
Patient problems
- No Clinical Signs, Symptoms or Conditions3
- No Information3
- Cardiac Arrest2
- Death1
- No Patient Involvement1
Recent adverse event reports
The 10 most recent of 10 reports, in the reporter's own words as published by the FDA.
MalfunctionSep 22, 2026Patient Device Interaction Problem
COMPLAINANT ALLEGED WHILE ATTEMPTING TO TREAT A 38-YEAR-OLD MALE PATIENT, THE ELECTRODES WOULD NOT ADHERE TO THE PATIENT'S SKIN. COMPLAINANT INDICATED THAT THERE WAS NO ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.
Patient problems: Cardiac Arrest
MAUDE report 50853732 ↗MalfunctionSep 22, 2026Patient Device Interaction Problem
COMPLAINANT ALLEGED WHILE ATTEMPTING TO TREAT A 38-YEAR-OLD MALE PATIENT, THE ELECTRODES WOULD NOT ADHERE TO THE PATIENT'S SKIN. COMPLAINANT INDICATED THAT THERE WAS NO ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.
Patient problems: Cardiac Arrest
MAUDE report 50853710 ↗MalfunctionSep 21, 2026Patient Device Interaction Problem
COMPLAINANT ALLEGED WHILE ATTEMPTING TO TREAT A 38-YEAR-OLD MALE PATIENT, THE ELECTRODES WOULD NOT ADHERE TO THE PATIENT'S SKIN. COMPLAINANT INDICATED THAT THERE WAS NO ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50839557 ↗MalfunctionAug 20, 2026Failure of Device to Self-Test
COMPLAINANT ALLEGED THAT DURING BIOMED TESTING, THE DEVICE FAILED SELF TEST.COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50347166 ↗MalfunctionAug 3, 2026Sparking; Patient Device Interaction Problem
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50114542 ↗MalfunctionFeb 13, 2020Failure to Deliver Shock/Stimulation; Failure to Deliver Shock/Stimulation
COMPLAINANT ALLEGED THAT DURING A ROUTINE SHIFT CHECK BY A CLINICIAN, THE ASSOCIATED DEVICE FAILED TO DISCHARGE USING THESE ELECTRODE PADS. COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.
Patient problems: No Patient Involvement
MAUDE report 9707258 ↗DeathDec 17, 2018Patient Device Interaction Problem; Patient Device Interaction Problem
COMPLAINANT ALLEGED THAT WHILE ATTEMPTING TO TREAT A PATIENT (AGE & GENDER UNKNOWN), THE ELECTRODE PADS WOULD NOT ADHERE AND SLID UPWARD ON THE PATIENT'S CHEST. WHEN THE ELECTRODE PADS WERE REMOVED THE GEL STAYED ON THE PATIENT'S CHEST. COMPLAINANT INDICATED THAT THE CLINICIAN PERFORMED CPR ON TOP OF THE SENSOR OF THE ELECTRODE PADS WHICH CAUSED THEM TO SLIP UPWARDS. COMPLAINANT INDICATED THAT THE PATIENT SUBSEQUENTLY EXPIRED, HOWEVER THEY BELIEVE IT WAS NOT A RESULT OF THE REPORTED MALFUNCTION.
Patient problems: Death
MAUDE report 8171428 ↗MalfunctionDec 17, 2018Patient Device Interaction Problem; Patient Device Interaction Problem
COMPLAINANT ALLEGED THAT WHILE ATTEMPTING TO TREAT A PATIENT (AGE & GENDER UNKNOWN), THE ELECTRODES WERE SLIPPING WOULD NOT ADHERE TO THE PATIENT'S SKIN. COMPLAINANT DID NOT INDICATE THAT THERE WAS ANY ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.
Patient problems: No Information
MAUDE report 8169272 ↗MalfunctionDec 17, 2018Patient Device Interaction Problem; Patient Device Interaction Problem
COMPLAINANT ALLEGED THAT WHILE ATTEMPTING TO TREAT A PATIENT (AGE & GENDER UNKNOWN), THE ELECTRODES WOULD NOT ADHERE TO THE PATIENT'S SKIN WHILE THE CLINICIAN WAS PERFORMING CHEST COMPRESSIONS. COMPLAINANT DID NOT INDICATE THAT THERE WAS ANY ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.
Patient problems: No Information
MAUDE report 8168967 ↗MalfunctionDec 13, 2018Patient Device Interaction Problem; Patient Device Interaction Problem
COMPLAINANT ALLEGED THAT WHILE ATTEMPTING TO TREAT A PATIENT (AGE & GENDER UNKNOWN) THE ELECTRODE PADS SLIPPED WHILE ATTACHED TO THE PATIENT AND ONCE THE PATIENT'S GOWN WAS REMOVED THE CLINICIAN NOTICED THE ELECTRODE GEL REMAINED ADHERED TO THE PATIENT. COMPLAINANT DID NOT INDICATE THAT THERE WAS ANY ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.
Patient problems: No Information
MAUDE report 8160333 ↗
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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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