Clinical trials: Conduction Defect, Cardiac
Diastolic Function, Cardiac Output
Impact of Pacing Mode and Diastolic Function on Cardiac Output
Background It is known from previous research that in patients with complete AV (atrioventricular) block and pacemaker stimulation stroke volume and cardiac output are higher with AV-synchronous than with AV-dyssynchronous…
- Conditions
- Diastolic Function, Cardiac Output, Pacemaker Stimulation Mode, Stroke Volume
- Trial name
- PADIAC (NCT04068233)
- Testing
- Pacemaker stimulation mode
- Where
- Austria
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kepler University Hospital
Atrial Fibrillation, Atrial Flutter
HeartBeam ECG Registry
The HeartBeam ECG Registry will collect ECG recordings acquired with the HeartBeam System with relevant clinical information in clinical settings.
- Conditions
- Atrial Fibrillation, Atrial Flutter, Bradycardia, Tachycardia
- Trial name
- NCT07501299
- Testing
- Electrocardiogram (ECG)
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- HeartBeam, Inc.
Premature Ventricular Complexes, Diet Quality
Premature Ventricular Complex and Diet Inflamatuar Index
The aim of this study is to evaluate differences in energy, macro- and micronutrient intakes, dietary characteristics, quality of life, and biochemical parameters between individuals with and without premature ventricular…
- Conditions
- Premature Ventricular Complexes, Diet Quality, Biochemical Markers, Life Quality
- Trial name
- PVT (NCT07870109)
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Izmir Democracy University
Brugada Syndrome
AnalyST & Brugada Syndrome - Feasibility Study
Brugada syndrome is characterized by a ST shift on the surface ECG, and a specific morphology of the Twave. This ECG abnormality is called a type 1-ECG, and is variable in time.
- Trial name
- NCT02052765
- Testing
- ECG continuous recording (Analyze ST)
- Where
- France
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Devices
Transcatheter Aortic Valve Implantation, Permanent Pacemaker Implantation
A Multimodal Strategy to Screen for and Rule-Out Delayed High-Grade Conduction Disturbances After TAVR
Electrocardiogram (ECG)-based algorithms have been proposed to guide post-TAVI conduction management; however, their ability to predict clinically relevant delayed conduction disturbances remains limited.
- Conditions
- Transcatheter Aortic Valve Implantation, Permanent Pacemaker Implantation, Right Bundle-Branch Block, Left Bundle-Branch Block
- Trial name
- LATETAVI (NCT07414485)
- Testing
- retrospective health data collection
- Where
- France
- Volunteers
- 209 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Fatigue, Tachycardia
Effect of Caffeine on Heart Function
The primary objective of this study is to assess the effect of an energy drink on ventricular repolarization as measured by the interval between the cardiac Q wave and the cardiac T wave (QT interval)obtained from the body…
- Trial name
- NCT02401776
- Testing
- Monster Energy Drink, Coffee
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Ventricular Tachycardia
Surpoint Algorithm for Improved Guidance of Ablation for Ventricular Tachycardia
Vistag SurPoint is a proprietary module that generates a numerical tag index which can be used as multiparametric lesion quality marker to guide ablation in the clinical setting for ablation of atrial arrhythmias.
- Trial name
- SURFIRE-VT (NCT05618717)
- Testing
- Radiofrequency Ablation
- Where
- United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Premature Ventricular Contraction (PVC)
Use of Adenosine to Determine the Electrophysiological Mechanism of Premature Ventricular Contractions
Unblinded, controlled, non-randomized, mechanistic study to determine whether physiological mechanisms underlying PVC are sensitive to adenosine.
- Trial name
- NCT03218137
- Testing
- Adenosine
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Arrhythmia, Long QT Syndrome
AI-powered ECG Analysis for Deadly Arrhythmias and ICI Myocarditis
ELDORA is a non-interventional observational data-science study aiming to develop and validate clinical-grade artificial intelligence tools applied to electrocardiogram (ECG) data.
- Conditions
- Arrhythmia, Long QT Syndrome, Immune Checkpoint Inhibitor-Related Myocarditis
- Trial name
- ELDORA (NCT07644715)
- Where
- France
- Volunteers
- 127,000 people, healthy volunteers welcome
- Sponsor
- Groupe Hospitalier Pitie-Salpetriere
Long QT Syndrome, Sudden Cardiac Death
Electromechanical Profiling of the Long-QT Syndrome (LQTS)
High-resolution, non-invasive electromechanical mapping in genotyped long-QT syndrome patients and healthy controls at baseline and during smart provocation.
- Conditions
- Long QT Syndrome, Sudden Cardiac Death, Ventricular Tachycardia
- Trial name
- EMLoQ (NCT04074122)
- Testing
- Adenosine and epinephrine, isoprenaline provocation
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Cardiac; Dysrhythmia, Postoperative, Congenital Heart Surgery
Prevention of Post-Operative Cardiac Arrhythmias
Aim 1: Primary Prevention of Post-operative Cardiac Arrhythmias 1. To evaluate the efficacy of dexmedetomidine vs. the combination of Magnesium Sulfate and dexmedetomidine for the prevention of post-operative cardiac arrhythmias…
- Trial name
- POCA (NCT04234906)
- Testing
- Dexmedetomidine, Magnesium Sulfate, Amiodarone
- Volunteers
- 870 people, healthy volunteers welcome
- Sponsor
- Jeffrey Moak
Long QT Syndrome, Hypoglycemia
The Physiological Effects of Human Ether-a-go-go-Related Gene (hERG)Blockade on Metabolism
The human ether-a-go-go-related gene HERG (encoding Kv11.1 potassium channels) is expressed in different parts of the body including the heart, pancreas and intestines.
- Trial name
- NCT03868657
- Testing
- Moxifloxacin
- Where
- Denmark
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Signe Torekov
Ventricular Tachycardia
Calmodulin Gene Mutations in Patients With Ventricular Arrhythmia of Unknown Origin - A Screening Study
The aim of this study is to screen a well characterized patient population with ventricular tachycardia of unknown origin and treated with an implantable cardioverter-defibrillator (ICD) for mutations in the calmodulin genes.
- Trial name
- NCT01947543
- Where
- Sweden
- Volunteers
- healthy volunteers welcome
- Sponsor
- Region Örebro County
Atrial Fibrillation (AF), Arrhythmias Cardiac
Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring
Everbeat is a finger-worn ring that has a built-in electrocardiogram (ECG). In this study the investigators ensure that the ECG as read by the everbeat correctly classifies heart rhythms and detects atrial fibrillation.
- Conditions
- Atrial Fibrillation (AF), Arrhythmias Cardiac, Tachycardia, Palpitations
- Trial name
- FINDER-AF (NCT06892938)
- Testing
- Atrial Fibrillation Identification
- Where
- 3 sites in United States
- Volunteers
- 232 people, healthy volunteers welcome
- Sponsor
- Everbeat
Ventricular Premature Complexes
CBT for Premature Ventricular Contractions
The purpose of the present interdisciplinary research program is to develop and evaluate a disease-specific cognitive behavior therapy (CBT) protocol to increase quality of life (QoL) and reduce symptom burden in patients with…
- Trial name
- PVC-CBT (NCT05087238)
- Testing
- CBT
- Where
- Sweden
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Arrhythmias, Cardiac
Dobutamine on the Cardiac Conduction System
Our hypothesis is that Dobutamine will act in a similar fashion to Isoproterenol with respect to cardiac conduction. Our goal is to study the effects of Dobutamine on cardiac conduction and refractoriness during an…
- Trial name
- NCT04249258
- Testing
- Dobutamine
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Sinus Rhythm, Atrial Fibrillation
Prevention of Stroke and Sudden Cardiac Death by Recording of 1-Channel Electrocardiograms
Single-channel electrocardiograms (lead I of 12-lead surface ECG; 30 seconds) will be collected from subjects/patients at 11 clinical centers in Germany to train an Artificial Intelligence in the automatic diagnosis of regular…
- Conditions
- Sinus Rhythm, Atrial Fibrillation, Atrial Premature Complexes, Ventricular Premature Complexes
- Trial name
- PRICE (NCT04637230)
- Testing
- Electrocardiogram analysis by Artificial Intelligence
- Where
- Germany
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- A-Rhythmik GmbH
Ventricular Premature Complexes, Atrial Premature Complexes
Oral Magnesium Supplementation in Athletes With Premature Ventricular Contractions or Premature Atrial Contractions.
Magnesium is a mineral which is essential to many of the processes which happen in the body. This includes normal function of muscles; including the heart.
- Trial name
- NCT04186728
- Testing
- Magnesium glycinate
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Atrioventricular Block, Left Bundle Branch Area Pacing
Left Bundle Branch Area Pacing in AVB Patients
Right ventricular pacing (RVP) causes left ventricular mechanical dyssynchrony by inducing electrical interventricular and intraventricular dyssynchrony.
- Trial name
- NCT03851315
- Testing
- permanent left bundle branch area pacing
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Fu Wai Hospital, Beijing, China
Vomiting, Nausea
Exteriorized Versus In Situ Uterine Repair at Cesarean Delivery
This study was undertaken to compare the two techniques (exteriorized vs in situ) of uterine repair with respect to patient comfort, hemodynamic changes, surgical time and blood loss, in patients undergoing elective CD under a…
- Conditions
- Vomiting, Nausea, Pain, Hypotension
- Trial name
- NCT00452972
- Testing
- Spinal Anesthesia
- Where
- Canada
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital