# Measurement of the Electromechanical Window to Improve the Diagnosis of Congenital Long QT Syndrome

> **NCT04328376** · NA · COMPLETED · sponsor: **University Hospital, Bordeaux** · enrollment: 224 (actual)

## Conditions studied

- Long QT Syndrome

## Interventions

- **DIAGNOSTIC_TEST:** ECG coupled to phonocardiography

## Key facts

- **NCT ID:** NCT04328376
- **Lead sponsor:** University Hospital, Bordeaux
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-08-28
- **Primary completion:** 2024-04-23
- **Final completion:** 2024-04-23
- **Target enrollment:** 224 (ACTUAL)
- **Last updated:** 2025-06-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04328376

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04328376, "Measurement of the Electromechanical Window to Improve the Diagnosis of Congenital Long QT Syndrome". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT04328376. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*