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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Electrocardiography Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Closer Look at Yoga Nidra: Sleep Lab Analyses

NCT03685227
View directory record Official record
Conditions
Electroencephalography, Electrocardiography, Respiratory Rate, Surveys and Questionnaires
Interventions
Yoga Nidra
Other
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 16, 2019 · Synced Jul 23, 2026, 10:07 AM EDT
Completed No phase listed Observational

The Effect of General Anesthesia on the Risk for Arrhythmia

NCT01174251
View directory record Official record
Conditions
Arrhythmia
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2013 · Synced Jul 23, 2026, 10:07 AM 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 23, 2026, 10:07 AM EDT
Completed Not applicable Interventional Results available

Holter Versus Zio Patch Electrocardiographic Monitoring in Children

NCT03309956
View directory record Official record
Conditions
Arrhythmias, Cardiac, Heart Block
Interventions
Holter Monitor, Zio Patch
Device
Lead sponsor
Columbia University
Other
Eligibility
Up to 21 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Jul 23, 2026, 10:07 AM EDT
Terminated Not applicable Interventional Results available

Assessment of the Precision of the Sherlock 3CG Tip Positioning System

NCT01275430
View directory record Official record
Conditions
No Specific Conditions Under Study. Primary Focus: Adult Subjects Who Require PICC Placement
Interventions
Sherlock 3CG, Blind Placement
Device · Other
Lead sponsor
C. R. Bard
Industry
Eligibility
21 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 15, 2016 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Effect of Ha44 Gel on the Electrocardiogram in Healthy Volunteers

NCT01518699
View directory record Official record
Conditions
Pediculosis
Interventions
Ha44, Ha44 Placebo, Moxifloxacin Placebo, Moxifloxacin
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited
Industry
Eligibility
18 Years to 50 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Jul 23, 2026, 10:07 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Simulated vs Genuine Manual Chiropractic Adjustments

NCT06931600
View directory record Official record
Conditions
Subluxation
Interventions
Sham adjustment, Chiropractic adjustment
Procedure
Lead sponsor
Life University
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess Electrocardiogram Results in Healthy Volunteers Receiving Canagliflozin (JNJ-28431754)

NCT01787357
View directory record Official record
Conditions
Healthy
Interventions
Canagliflozin (JNJ-28431754), Placebo, Moxifloxacin
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Not applicable Interventional Results available

Time to Accurate Heart Rate on Neonatal Outcomes

NCT04587934
View directory record Official record
Conditions
Premature Infant, Extremely Low Birth Weight, Extreme Prematurity
Interventions
iRes Warmer with ResusView, iRes Warmer without ResusView
Device · Other
Lead sponsor
Sharp HealthCare
Other
Eligibility
23 Weeks to 32 Weeks
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Jul 23, 2026, 10:07 AM EDT
Not listed No phase listed Observational

Paced Electrocardiogram Requiring Fast Emergent Coronary Therapy (PERFECT) Study

NCT02765477
View directory record Official record
Conditions
Acute Myocardial Infarction
Interventions
Not listed
Lead sponsor
Hennepin County Medical Center, Minneapolis
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Jul 23, 2026, 10:07 AM EDT
Active, not recruiting No phase listed Observational

An Observational Study Using Artificial Intelligence (AI) Algorithms on Electrocardiography (ECG), Point-of-care Ultrasound (POCUS), and Transthoracic Echocardiophy (TTE) to Estimate the Under-diagnosis of Transthyretin Amyloid Cardiomyopathy (ATTR-CM) Across a Diverse Range of US Health Systems.

NCT07062848
View directory record Official record
Conditions
Transthyretin (TTR) Amyloid Cardiomyopathy
Interventions
AI Toolkit for ATTR-CM Diagnosis
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
50 Years to 95 Years
Enrollment
1,500,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
11
States / cities
San Francisco, California • New Haven, Connecticut • Detroit, Michigan + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Jul 23, 2026, 10:07 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Age and Sex-Specific PREValence of AcqUirEd VALVular Heart DiseasE

NCT05357404
View directory record Official record
Conditions
Valvular Heart Disease
Interventions
Not listed
Lead sponsor
Cardiovascular Research Foundation, New York
Other
Eligibility
65 Years to 85 Years
Enrollment
2,870 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Double-Blind Randomized Crossover Trial to Access Electrocardiogram Effects of HPN-100

NCT01135680
View directory record Official record
Conditions
Drug Toxicity
Interventions
HPN-100, HPN-100 or Placebo, Placebo, Moxifloxacin
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 45 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 19, 2024 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Atrial Fibrillation (AF) and Electrocardiogram (EKG) Interpretation Project ECHO

NCT05890274
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
AF and EKG Interpretation Project ECHO
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
3
States / cities
Chapel Hill, North Carolina • Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Jul 23, 2026, 10:07 AM EDT
Completed No phase listed Observational

The Simple ECG Monitoring Trial (Comparison of a Novel Recording System With a Standard Holter Monitor)

NCT01382953
View directory record Official record
Conditions
Syncope, Pre-syncope, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
Standard Holter/Investigational patch
Device
Lead sponsor
Seattle Institute for Cardiac Research
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Chicago, Illinois • Enumclaw, Washington
Source: ClinicalTrials.gov public record
Updated Jan 9, 2012 · Synced Jul 23, 2026, 10:07 AM EDT
Active, not recruiting Not applicable Interventional

Electrocardiogram-based Artificial Intelligence-assisted Detection of Heart Disease

NCT05442203
View directory record Official record
Conditions
Atrial Fibrillation, Structural Heart Disease
Interventions
Zio Patch Monitor, Echocardiogram
Device
Lead sponsor
Tempus AI
Industry
Eligibility
40 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Grand Rapids, Michigan • Cincinnati, Ohio • Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening

NCT01929083
View directory record Official record
Conditions
Prolonged QT Interval in EKG and Sudden Death
Interventions
Progesterone, Placebo, Ibutilide
Drug
Lead sponsor
Indiana University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Jul 23, 2026, 10:07 AM 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 23, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Validation of the Performance of the Electrocardiogram (ECG) Function in the Masimo INVSENSOR00057

NCT06071754
View directory record Official record
Conditions
Healthy, Atrial Fibrillation
Interventions
Masimo INVSENSOR00057
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
22 Years and older
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Irvine, California • Laguna Hills, California • Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jul 23, 2026, 10:07 AM EDT
Terminated Not applicable Interventional Results available

Electrocardiogram (ECG) Guided Peripherally Inserted Central Catheter (PICC) Placement

NCT00742053
View directory record Official record
Conditions
Primary Focus: Adult Subjects Who Require PICC Placement
Interventions
ECG-guided PICC placement
Device
Lead sponsor
C. R. Bard
Industry
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Safety Study to Assess the Effects of Therapeutic and Supratherapeutic Exenatide Concentrations on QT Interval in Healthy Subjects

NCT01297062
View directory record Official record
Conditions
Healthy Subjects
Interventions
Exenatide, Moxifloxacin, Placebo comparator
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Daytona Beach, Florida • Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Jul 23, 2026, 10:07 AM 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 23, 2026, 10:07 AM EDT
Completed No phase listed Observational

Cardiac Disease and the Electrocardiogram in SCI Patients

NCT00013325
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Cardiac Disease
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Jul 23, 2026, 10:07 AM EDT
Completed Phase 1 Interventional

Thorough ECG (Electrocardiogram) and Drug Interaction Study With Anetumab Ravtansine and Itraconazole

NCT02824042
View directory record Official record
Conditions
Medical Oncology
Interventions
Anetumab ravtansine (BAY94-9343), Itraconazole
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Santa Monica, California • Detroit, Michigan • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Jul 23, 2026, 10:07 AM EDT