Wearable Defibrillator's heart sound accuracy under review

NCT ID NCT04292405

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study looked at whether a wearable defibrillator (WCD) can accurately record heart sounds in people with heart failure. About 60 adults with heart failure and weak heart pumping (ejection fraction 40% or less) took part. The goal was to compare the WCD's recordings to a standard heart sound recorder. The study was stopped early, so results are limited.

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Conditions

The condition(s) this trial relates to.

heart failure

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • MAYO Clinic

    Rochester, Minnesota, 55905, United States