FDA Adverse Event Malfunction Summary report: N

ZIO AT

MDR report key: 19888598 · Received August 1, 2024

Report

Report Number
3007208829-2024-00415
Event Type
Malfunction
Date Received
August 1, 2024
Date of Event
June 1, 2024
Report Date
June 24, 2025
Manufacturer
IRHYTHM TECHNOLOGIES, INC
Product Code
QYX
UDI-DI
00869770000210
PMA / PMN Number
K163512
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CA, US
Reporter Occupation
003

Narratives

Additional Manufacturer Narrative · 0

THIS SUPPLEMENTAL REPORT IS BEING SUBMITTED IN RESPONSE TO THE FDA NOTIFICATION RECEIVED ON SEPTEMBER 26, 2024, CONCERNING MISSING UDI NUMBERS IN MDR SUBMISSIONS FROM OCTOBER 2023 THROUGH DECEMBER 2024. IN RESPONSE TO THIS ISSUE, IRHYTHM CONDUCTED AN INVESTIGATION AND IDENTIFIED A SYSTEM PROCESSING ERROR, WHICH HAS NOW BEEN RESOLVED. PLEASE SEE THE UPDATE IN SECTION D4.

Additional Manufacturer Narrative · 0

THE ZIO AT DEVICE WAS RETURNED TO IRHYTHM, AND THE CLINICAL DATA WAS DOWNLOADED. A REVIEW OF THE CLINICAL DATA FOUND THAT THE PATIENT WORE THE ZIO AT DEVICE FOR 4 DAYS OF THE 14-DAY PRESCRIBED WEAR PERIOD. IRHYTHM BECAME AWARE OF THE ARRHYTHMIA WHILE PREPARING FINAL REPORT AND NOTIFIED THE HCP ON DAY 55. THE GATEWAY DEBUG LOG WAS NOT AVAILABLE. THE CAUSE FOR THE MISSED MDN COULD NOT BE DETERMINED. THIS EVENT IS BEING REPORTED PER 21CFR 803 AS A PRODUCT PROBLEM /MALFUNCTION. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY IRHYTHM THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY DEFECTS OR HAS MALFUNCTIONED. THESE TERMS ARE INCLUDED IN FORM FDA 3500A AND ARE FIXED TERMS FOR SELECTION CREATED BY THE FDA TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REGULATORY REPORTING.

Description of Event or Problem · 0

THE PATIENT EXPERIENCED AN ARRHYTHMIA THAT MET MEDICAL DOCTOR NOTIFICATION (MDN) REQUIREMENTS THAT WAS NOT TRANSMITTED DURING THE WEAR PERIOD. THE REASON FOR THE ARRHYTHMIA NOT TRANSMITTING COULD NOT BE DETERMINED AS THE GATEWAY DEBUG LOG WAS NOT AVAILABLE. THE HEALTHCARE PROVIDER (HCP) WAS IMMEDIATELY NOTIFIED OF THE PATIENT'S ARRHYTHMIA AND IRHYTHM LEARNED THAT THE HCP WAS ALREADY AWARE OF THE PATIENT'S ARRHYTHMIA. THERE WAS NO DELAY IN TREATMENT AND NO ADVERSE EVENTS, SUCH AS DEATH OR SERIOUS INJURY, ARE KNOWN TO HAVE OCCURRED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
884796 ZIO AT DETECTOR AND ALARM, ARRHYTHMIA QYX IRHYTHM TECHNOLOGIES, INC 00869770000210

Patients

Seq Age Sex Outcome Treatment
1 50 YR Female