Evaluating heart activity using advanced ECG technology

Evaluation of Electrocardiographic Measurements by High Density Electrode ECG

Not applicable Interventional University Hospital, Bordeaux · NCT04921501

This study is testing a new heart monitoring technology to see if it can better detect heart problems in patients with serious arrhythmias compared to the standard method.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment1800 (estimated)
Ages14 Years and up
SexAll
SponsorUniversity Hospital, Bordeaux Academic / other
Locations11 sites (Clermont-Ferrand and 10 other locations)
Trial IDNCT04921501 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of high-density electrocardiography (HD ECG) with 128 body surface leads compared to conventional 12-lead ECG in detecting cardiac electrical activity. The aim is to improve sensitivity in measuring global or regional cardiac activity, particularly in patients with severe ventricular arrhythmias. By capturing more comprehensive data, the study seeks to provide additional clinical insights that could enhance patient management and treatment outcomes.

Who should consider this trial

Good fit: Ideal candidates include patients with documented severe ventricular arrhythmias or those at high risk for sudden cardiac events, such as those with low ejection fraction or a history of ventricular tachycardia.

Not a fit: Patients under 14 years old or those who are pregnant or nursing may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to better detection and management of ventricular arrhythmias, potentially improving patient outcomes.

How similar studies have performed: While the use of high-density ECG is a novel approach, similar studies have shown promise in enhancing cardiac monitoring and diagnostics.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patient managed at the Bordeaux University Hospital for assessment of documented severe ventricular arrhythmia (VF, sudden resuscitated death) or suspected (syncope, family history of sudden death, ECG or Holter abnormality) or impaired ventricular conduction, OR
* Patients managed for prophylactic ventricular defibrillator implantation, according to international recommendations: Heart disease with ejection fraction \< 35%, heart disease with sustained ventricular tachycardia, cardiomyopathies with high rhythmic risk,
* Women of childbearing age with effective contraception.

Exclusion Criteria:

* patients under 14 years old,
* pregnant or nursing woman.

Where this trial is running

Clermont-Ferrand and 10 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Ventricular ArrhythmiasSignal Averaging ECGCardiac electrophysiology
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.