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ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:34 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: ECG Clear all
Completed No phase listed Observational Accepts healthy volunteers

Heartbeat Sensitivity Calibration Using the ECG Accessory

NCT01268007
View directory record Official record
Conditions
ECG Comparisons in Normal Healthy Subject
Interventions
Not listed
Lead sponsor
Cyberonics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2011 · Synced Jul 21, 2026, 11:34 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Long QT Syndrome Screening in Newborns

NCT02412709
View directory record Official record
Conditions
Long QT Syndrome
Interventions
QTScreen ECG Recorder
Device
Lead sponsor
QT Medical, Inc.
Other
Eligibility
2 Weeks to 4 Weeks
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
3
States / cities
Lynwood, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of GSK1265744 on Cardiac Conduction

NCT02027454
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
GSK1265744, GSK1265744 matching placebo, Moxifloxacin
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2014 · Synced Jul 21, 2026, 11:34 PM EDT
Terminated Not applicable Interventional

To Evaluate the Efficacy of EEG-guided Magnetic Resonant Therapy in War Veterans With Posttraumatic Stress Disorder

NCT02824445
View directory record Official record
Conditions
Post-Traumatic Stress Disorders
Interventions
individualized Transcranial Magnetic Stimulation
Device
Lead sponsor
72nd Medical Group, Tinker Air Force Base
Federal
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 1, 2020 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

Withings ECG-app Study

NCT05316350
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Electrocardiogram recording
Device
Lead sponsor
Withings
Industry
Eligibility
22 Years and older
Enrollment
685 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
9
States / cities
Boca Raton, Florida • Hialeah, Florida • Miami, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

Extended ECG Monitoring in HCM Patients

NCT04056715
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy, Nonsustained Ventricular Tachycardia, Ventricular Tachycardia, Atrial Fibrillation, Arrhythmia
Interventions
Zio XT
Device
Lead sponsor
iRhythm Technologies, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Jul 21, 2026, 11:34 PM EDT
Not listed No phase listed Observational

Randomized Trial of Prehospital Tropin Levels in Acute Coronary Syndrome (ACS)

NCT00764205
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Not listed
Lead sponsor
Redmond Fire Department Medic One
Government
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
-Mobile Units in King County-, Washington
Source: ClinicalTrials.gov public record
Updated Sep 30, 2008 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

ECG Vector Determination

NCT01486056
View directory record Official record
Conditions
Epilepsy
Interventions
Not listed
Lead sponsor
Cyberonics, Inc.
Industry
Eligibility
12 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2012 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting No phase listed Observational

AI in Outpatient Practice for Diagnosing Aortic Stenosis and Diastolic Dysfunction

NCT06580158
View directory record Official record
Conditions
Aortic Stenosis, Diastolic Dysfunction
Interventions
AI-ECG Dashboard, Point of care ultrasound (POCUS)
Device · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Detecting Pulmonary Hypertension With the Eko CORE 500 Digital Stethoscope

NCT07136623
View directory record Official record
Conditions
Pulmnary Hypertension
Interventions
Eko CORE 500 phonocardiogram (PCG) recording, Eko CORE 500 three-lead electrocardiogram (ECG) recording
Diagnostic Test
Lead sponsor
Eko Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,513 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting Not applicable Interventional

Umbilical Vessel Catheterization Under ECG Monitoring and Guidance

NCT03898596
View directory record Official record
Conditions
Pediatric ALL
Interventions
ECG
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
1 Day to 45 Days
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Accuracy and Consistency of the X-Trodes System

NCT05722639
View directory record Official record
Conditions
Equipment and Supplies
Interventions
X-Trodes acquisition system
Device
Lead sponsor
B-Cube
Other
Eligibility
21 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional Results available

Ambulatory Post-Syncope Arrhythmia Protection Feasibility Study

NCT02188147
View directory record Official record
Conditions
Syncope
Interventions
Short Term Wearable Defibrillator
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
6
States / cities
Danbury, Connecticut • Jacksonville, Florida • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Myocardial Ischemia Detection for Early Identification of Patients With Ischemic Chest Pain

NCT02055443
View directory record Official record
Conditions
Cardiac Ischemia, Chest Pain, Shortness of Breath
Interventions
12-lead holter monitor application
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Narrow QRS HF Patients Assessed by ECG Belt

NCT03367104
View directory record Official record
Conditions
Heart Failure, Cardiac Resynchronization Therapy
Interventions
ECG Belt
Device
Lead sponsor
Allina Health System
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Low Ejection Fraction in Single Lead ECG

NCT05010655
View directory record Official record
Conditions
Left Ventricular Dysfunction, Ventricular Dysfunction, Heart Diseases, Cardiovascular Diseases
Interventions
Use of Eko DUO Electronic Stethoscope
Device
Lead sponsor
Eko Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,935 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
O'Fallon, Illinois • Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Energy Drink Consumption on ECG and Hemodynamic Parameters in Young Healthy Volunteers

NCT02023723
View directory record Official record
Conditions
Hemodynamic Effects of Energy Drink, Electrocardiograph Effects of Energy Drinks
Interventions
Energy Drink, Active Control
Dietary Supplement
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2020 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

Pre-Hospital Wireless Transmission of Electrocardiograms to a Cardiologist Via a Hand-Held Device

NCT00682526
View directory record Official record
Conditions
Myocardial Infarction
Interventions
SmartLink Wireless Monitoring System (K033642)
Device
Lead sponsor
Welch Allyn
Industry
Eligibility
18 Years and older
Enrollment
527 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
7
States / cities
Salinas, California • Gainesville, Florida • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced Jul 21, 2026, 11:34 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Comparison of Resting Heart and Respiratory Rate Measurements Acquired by Contactless Radar Sensors, Electrocardiography, and Capnography

NCT04935190
View directory record Official record
Conditions
Vital Signs
Interventions
Vitalpercept
Diagnostic Test
Lead sponsor
DawnLight
Industry
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

AI-SCREENDCM Decentralized Clinical Trial - Pilot Study

NCT06609174
View directory record Official record
Conditions
Cardiomyopathy
Interventions
KardiaRx ECG Screening and AI interpretation of ECG
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Jul 21, 2026, 11:34 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Atrial Fibrillation Risk Estimation With Single-lead Handheld Electrocardiograms

NCT07468123
View directory record Official record
Conditions
Atrial Fibrillation (AF)
Interventions
1L ECG screening, Patch monitor
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assess the Effect of Cangrelor at the Therapeutic Dose and a Supratherapeutic Dose Level on the QT/QTc Interval in Healthy Volunteers

NCT00699504
View directory record Official record
Conditions
Healthy
Interventions
cangrelor, moxifloxacin, placebo
Drug
Lead sponsor
The Medicines Company
Industry
Eligibility
18 Years to 45 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 17, 2012 · Synced Jul 21, 2026, 11:34 PM EDT
Not listed Not applicable Interventional

Multi-lead ECG to Effectively Optimize Resynchronization Devices: New CRT Recipients

NCT04083690
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Reprogramming of CRT Device Settings to Optimal Electrical Synchrony
Device
Lead sponsor
Allina Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Jul 21, 2026, 11:34 PM EDT
Active, not recruiting No phase listed Observational

An Evaluation of Concordance of Smartwatch ECG and One Clinical ECG and Comparison of The Two ECGS in Terms of Predictive Risks

NCT05617391
View directory record Official record
Conditions
Childhood Cancer, Cardiomyopathy, Primary
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
22 Years and older
Enrollment
1,303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jul 21, 2026, 11:34 PM EDT