# Heart Sounds Registry

> **NCT03203629** · — · COMPLETED · sponsor: **Zoll Medical Corporation** · enrollment: 705 (actual)

## Conditions studied

- Heart Failure; With Decompensation

## Interventions

- **DEVICE:** Wearable Cardioverter Defibrillator (WCD)

## Key facts

- **NCT ID:** NCT03203629
- **Lead sponsor:** Zoll Medical Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-06-05
- **Primary completion:** 2020-01-30
- **Final completion:** 2021-03-16
- **Target enrollment:** 705 (ACTUAL)
- **Last updated:** 2021-04-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03203629

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03203629, "Heart Sounds Registry". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03203629. Licensed CC0.

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