Clinical trials: Heart Rates
Atrial Fibrillation With Rapid Ventricular Response, Hypotension
Pre-diltiazem, Calcium Versus Placebo for Atrial Fibrillation With Rapid Ventricular Response
The goal of this randomized double blind controlled trial is to learn about the effects of calcium when it is given prior to diltiazem for patients with atrial fibrillation ( a type of irregular heart beat) who have rapid…
- Trial name
- NCT05691959
- Testing
- Calcium
- Volunteers
- 378 people
- Sponsor
- Ascension Health
Pregnancy
Electrode-based Sensor for Non-invasive Fetal Heart Rate and EMG Monitoring With Improved Reliability
The specific goal of the proposed research is to develop a reliable, non-invasive fetal and maternal heart rate and contraction monitor that is unaffected by obesity and requires less nursing intervention than the tocodynamometer…
- Trial name
- NCT01400880
- Testing
- Electrode-based Sensor
- Where
- United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Convergent Engineering, Inc.
Multiple Sclerosis, Long Covid
Fatigue Investigation Using Digital Outcomes
This study investigates objective methods to measure and monitor fatigue in patients with post-COVID-19 condition (long COVID) and multiple sclerosis (MS), and includes a group of healthy volunteers for comparison.
- Conditions
- Multiple Sclerosis, Long Covid, Healthy
- Trial name
- FIDO (NCT07783074)
- Where
- 6 sites in Switzerland
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Liliana Barrios
Pregnancy, Obstetric Labor
Fetal ST Segment and T Wave Analysis in Labor
The purpose of this research is to test a new instrument, called a fetal STAN monitor, that may be used during labor to monitor the electrical activity of the baby's heart.
- Conditions
- Pregnancy, Obstetric Labor, Parturition
- Trial name
- STAN (NCT01131260)
- Testing
- fetal STAN monitor
- Where
- 13 sites in United States
- Volunteers
- 11,108 people, healthy volunteers welcome
- Sponsor
- The George Washington University Biostatistics Center
Cardiomyopathy, Heart Failure
An Arrhythmia Risk Predictor Trial
This prospective single-center study is an observational risk stratification trial in about 250 patients with standard indications for ICD treatment.
- Trial name
- NCT02010515
- Where
- Germany
- Volunteers
- 282 people
- Sponsor
- University Medical Center Goettingen
Caffeine, Heart Rate Variability
Effect of Caffeine on Heart Rate Variability in Newborns
The aim of this study was to evaluate the impact of caffeine treatment, given either orally or intravenously, on heart rate variability in newborns.
- Conditions
- Caffeine, Heart Rate Variability, Apnoea of Newborn, Newborn
- Trial name
- NCT04869176
- Testing
- Electrocardiogram, Monitoring of vital functions, Caffeine Citrate 5 mg/kg
- Where
- Slovenia
- Volunteers
- 25 people
- Sponsor
- University of Ljubljana
Mood Disorder, Mania
Assessment of Cardiac Autonomic Behavior in Patients With Mood Disorders
The purpose of this study is to characterize the behavior of cardiac patients with Mood Disorders and its clinical course, interpreting the results from a theoretical framework of Chaos Theory and Complexity Theory and Systems as…
- Conditions
- Mood Disorder, Mania, Depression
- Trial name
- NCT01272518
- Where
- Brazil
- Volunteers
- 20 people
- Sponsor
- Sao Jose do Rio Preto Medical School
Multiple Sclerosis
Effects of Fingolimod on Heart Rhythm and Heart Rate Variability in Patients With Multiple Sclerosis
The current study sought to prolong the observational interval after initiating medication with fingolimod and to measure the long-term effects of fingolimod on HR and HRV as an indicator of autonomic nervous system function in…
- Trial name
- FINGORHYMS (NCT03216915)
- Testing
- Gilenya®; Novartis Pharmaceuticals Corporation
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Coronary Artery Disease
The Predictive Value of the Heart Rate Response to Breathing Maneuvers for Inducible Myocardial Perfusion Deficits
Breathing maneuvers, i.e. hyperventilation followed by breath-holding, have been shown to change coronary dynamics; hyperventilating narrows the coronary arteries, puts "stress" on the heart, and increases the heart rate, whereas…
- Trial name
- SCREEN-MORE (NCT05516615)
- Testing
- 4 minute breathing maneuver
- Where
- Canada
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Weaning Invasive Mechanical Ventilation
Multidimensional Correlation Analysis of Heart Rate Variability and Weaning Assessment Parameters in Critically Mechanically Ventilated Patients
Background： Conventional weaning assessments are widely used but often affected by factors such as poor patient cooperation, neuromuscular issues, or unstable consciousness, leading to uncertainty in extubation timing.
- Trial name
- NCT07455214
- Testing
- BEATINFO ECG Sensor
- Where
- Taiwan
- Volunteers
- 100 people
- Sponsor
- Fu Jen Catholic University Hospital
Stress
Physical and Mental Load in the Surgeon Performing Laparoscopic Tasks
The surgeons load during laparoscopic surgery is still unclear. Laparoscopic surgery is more demanding because of the challenge of operating through small scars in the abdominal wall without any tactile feedback depending only on…
- Trial name
- NCT00311285
- Testing
- Electrogram (EMG), heart rate variability (HRV), salivary cortisol, goniometry, inclinometry
- Where
- 2 sites in Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Hospital, Gentofte, Copenhagen
Renal Failure, Chronic
Intravenous n-3 Fatty Acids and Sudden Cardiac Death in Hemodialysis Patients
The main purpose of this study is to investigate whether intravenous infusion of a lipid emulsion with a high content of n-3 polyunsaturated fatty acids can improve heart rate variability and ventricular repolarization and reduce…
- Trial name
- NCT00259025
- Testing
- lipid emulsion with a high content of n-3 fatty acids
- Where
- Denmark
- Volunteers
- 60 people
- Sponsor
- Aalborg University Hospital
Atrial Fibrillation
Clinical Impact of Autonomic Modulation After Pulmonary Vein Isolation
Pulmonary vein isolation (PVI) has become a standard therapy for atrial fibrillation (AF), however, there is still considerable AF recurrence after PVI.
- Trial name
- NCT02733913
- Where
- Germany
- Volunteers
- 50 people
- Sponsor
- Klinik für Kardiologie, Pneumologie und Angiologie
Grief, Cardiovascular Health
Cardiovascular Effects of Grieving
Self-affirmation (SA) theory proposes that people are motivated to maintain a positive self-image of being worthy, stable, and capable.
- Conditions
- Grief, Cardiovascular Health, Emotion
- Trial name
- SAGE (NCT07356635)
- Testing
- Value-affirmation
- Where
- United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Vital Signs
A Single Center Study to Demonstrate the Safety and Performance of Lifelight® First Software Application
This study validates Lifelight® First, a software application, in a laboratory setting. Participants will undergo testing to obtain measurements from one or more of the four vital signs.
- Trial name
- NCT03998098
- Testing
- Oxygen Saturation (Oximetry), Heart Rate (Pulse), Respiratory Rate
- Where
- United Kingdom
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Xim Limited
Exercise, Fitness Tracker
Development of Artefact Removal and Physical Activity Algorithm
This clinical trial will collect heart rate (HR) data with the Fitbit Inspire 2 fitness tracker and Polar H10 chest strap with the aim of: Goal 1. Optimising and validating our artefact removal procedure. Goal 2.
- Conditions
- Exercise, Fitness Tracker, Heart Rate
- Trial name
- ARTEPHYSICAL (NCT05901038)
- Testing
- Wearing heart rate monitors
- Where
- Belgium
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- University Hospital, Antwerp
Hyperlipidemia
Standard Process 21 Day Purification Program Project
To determine the effects of a commercially available dietary modification plus nutritional supplement regimen, the Standard Process 21 day Purification Program (SPPP), on serum lipids, C-reactive protein (CRP), homocysteine, body…
- Trial name
- SPPP (NCT00724217)
- Testing
- Standard Process 21 Day Purification Program (SPPP)
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Logan College of Chiropractic
Older Adults, Cardiovascular Health
Acute Effects of Intermittent Hypoxia-Hyperoxia in Older Adults
The supply of oxygen is essential for energy production, recovery from efforts, and human life. Intermittent Hypoxia-Hyperoxia Exposure (IHHE) is a novel technique in which the subject is exposed to a respiratory environment with…
- Conditions
- Older Adults, Cardiovascular Health, Blood Pressure, Sedentary
- Trial name
- NCT06686238
- Testing
- MITOVIT® Hypoxic Training System
- Where
- Spain
- Volunteers
- 16 people
- Sponsor
- Sierra Varona SL
Breathing Rate
Coherence Breathing Before Cardiopulmonary Exercise Testing
This randomized crossover trial will examine the acute effects of pre-exercise coherence breathing on cardiopulmonary exercise responses in recreationally active adults.
- Trial name
- NCT07650279
- Testing
- Coherence Breathing, Spontaneous Breathing
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Human Performance Lab of Monmouth University
Neck Pain, Heart Rate Variability
Compare the Effects of Different AVNS Parameters on Neck Pain, HRV, Balance in Collegiate Atheletes
This study looks at how auricular vagus nerve stimulation (AVNS) affects neck pain, heart rate variability, and balance in college athletes, additionally, if different settings of auricular vagus nerve stimulation (AVNS) affect…
- Conditions
- Neck Pain, Heart Rate Variability, Balance
- Trial name
- NCT06450483
- Testing
- Auricular vagus nerve stimulation
- Where
- United Arab Emirates
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Sharjah
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.