Clinical trials: Tachycardia
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.
Postural Orthostatic Tachycardia Syndrome
CRI in POTS in Adolescents
The investigators aim to study whether the Compensatory Reserve Index (CRI) (an FDA approved device that assesses intravascular volume) can be used to evaluate severity of Postural Orthostatic Tachycardia Syndrome (POTS) and…
- Trial name
- POTS (NCT03974737)
- Testing
- CRI device (non-invasive vitals sign measurement)
- Where
- United States
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
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
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
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
Postural Tachycardia Syndrome
Dopamine in Orthostatic Tolerance
One goal of this study is to determine whether people with different amounts of dopamine-beta-hydroxylase (DBH) have different responses to events that affect blood pressure and heart rate.
- Trial name
- NCT00748228
- Testing
- dietary sodium
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
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
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
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
Asystole, Sinus Bradycardia
uPHI: Wireless Body Area Network Core Technology
The application scenario is shown in the figure below: the user utilizes an ECG-based wireless sensor (WiBoC Chipset), and transmit those signals to a mobile-phone device that has an embedded expert system integrated.
- Conditions
- Asystole, Sinus Bradycardia, Sinus Tachycardia, Sinus Arrhythmia
- Trial name
- uPHI (NCT01200667)
- Where
- Taiwan
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University WanFang Hospital
Postural Tachycardia Syndrome, Orthostatic Tachycardia
Acute Salt Handling in Orthostatic Intolerance
The investigators will test the hypothesis that patients with chronic orthostatic intolerance or postural orthostatic tachycardia syndrome (OI or POTS) will be unable to conserve urinary sodium as compared to healthy control…
- Conditions
- Postural Tachycardia Syndrome, Orthostatic Tachycardia, Orthostatic Intolerance
- Trial name
- NCT00581633
- Testing
- normal saline (0.9%)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Tachycardia, Postural Orthostatic Tachycardia Syndrome
Pathophysiology of Orthostatic Intolerance
The purpose of this study is to describe the mechanism of orthostatic intolerance, relying on cardiovascular physiological studies.
- Trial name
- NCT00608725
- Testing
- DAXOR, QSweat, Intrinsic Heart Rate
- Where
- United States
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
Postural Tachycardia Syndrome
Assessment of Vascular Endothelial Function in Postural Tachycardia Syndrome
The purpose of this study is to see if people with Postural Tachycardia Syndrome (POTS) have different levels of certain chemicals in their blood than people who don't have POTS.
- Trial name
- NCT01308099
- Testing
- Blood Pressure and Blood Flow
- Where
- 2 sites in United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Dysautonomia, Anxiety
Implementation of Transdx Group for POTS
The proposed intervention is focused on developing and implementing a psychological approach incorporated into a group-based outpatient intervention for pediatric autonomic dysfunction.
- Conditions
- Dysautonomia, Anxiety, Depression
- Trial name
- NCT03185247
- Testing
- Transdiagnostic Group-Based Treatment
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Postural Orthostatic Tachycardia Syndrome (POTS), POTS
Cardiovagal Baroreflex Deficits Impair Neurovascular Coupling and Cognition in POTS
Postural tachycardia syndrome (POTS), is the chronic form of orthostatic intolerance associated with excessive upright tachycardia, and occurs predominantly in young females (>85%).
- Conditions
- Postural Orthostatic Tachycardia Syndrome (POTS), POTS, Orthostatic Intolerance
- Trial name
- NCT03261570
- Testing
- Pyridostigmine, Digoxin
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Tachycardia
Incident and Extent of Pulse Alteration During Local Anesthesia in Children
Incident and extent of pulse alteration during administration of various modes of local anesthesia in children during routine dental treatment.
- Trial name
- NCT02328729
- Testing
- mandibular block with Epinephrine, C-CLAD-IL with Epinephrine, Infiltration with Epinephrine
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Tel Aviv University
Chronic Fatigue Syndrome in Adolescence, Postural Orthostatic Tachycardia Syndrome
POTS-CFS Study: Orthostatic Intolerance in the Context of Pediatric ME/CFS
Pilot-case-control study on exertion and orthostatic intolerance of adolescents with myalgic encephalomyelitis/ chronic fatigue syndrome (ME/CFS) compared to age-matched healthy controls (HC).
- Conditions
- Chronic Fatigue Syndrome in Adolescence, Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
- Trial name
- POTS-CFS (NCT06054958)
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1
Evaluation of Exercise Testing and Physical Activity in Children and Adolescents Living With Inherited Arrhythmias
The goal of this observational study is to evaluate exercise testing and daily physical activity in children and adolescents who are diagnosed with an inherited arrhythmia.
- Conditions
- Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1, Catecholaminergic Polymorphic Ventricular Tachycardia Type 2
- Trial name
- ACTIVELY (NCT06661278)
- Testing
- Exercise tolerance test, Physical activity & heart rate monitoring
- Where
- 2 sites in United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
Ventricular Tachycardia
A Study of Early Robotic Ablation by Substrate Elimination of Ventricular Tachycardia
Ventricular tachycardia (VT) is an abnormal rapid heartbeat which occurs after a heart attack and can cause sudden death. Patients at risk of this rhythm disturbance usually receive an implantable cardioverter defibrillator (ICD)…
- Trial name
- ERASE-VT (NCT01182389)
- Testing
- Robotic VT Ablation, Conventional Therapy
- Where
- 3 sites in United Kingdom
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Imperial College London