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Double-Blind, Placebo-Controlled Study of Pyridostigmine in Postural Tachycardia Syndrome
This is a 3-day study comparing pyridostigmine versus placebo in the treatment of postural tachycardia syndrome (POTS). The researchers expect pyridostigmine t…
Atrial Tachycardia Reduction With Intravenous Use of Magnesium (ATRIUM) Study: Comparing Magnesium 2g Versus 4g Versus Placebo in the Incidence of Treating AFF RVR
The purpose of this prospective, randomized, double-blinded study is to further evaluate the safety and efficacy of varying doses of intravenous magnesium in t…
Baseline Atrial Fibrosis Predicts Risk for Post-operative Atrial Fibrillation in Patients Undergoing Cardiac Surgery: A Pilot Study for SAPPORO-AF
The study aims to evaluate and compare the incidence of atrial arrhythmias (including Post-Operative Atrial Fibrillation (POAF), atrial flutter, and atrial tac…
Mechanism of Glucose-dependent Insulinotropic Polypeptide (GIP) on Splanchnic Venous Capacitance in Postural Tachycardia Syndrome
Postural tachycardia syndrome (POTS) affects ≈3 million young people, characterized by chronic presyncopal symptoms characterized by dizziness, lightheadedness…
Pediatric POTS: Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Natural History With Its Numerous Co-morbidities?
This study is being conducted to see how people with Postural tachycardia syndrome (POTS) make sense of the things they see. The information may help doctors t…
Saline Enhanced Radiofrequency (SERF) Needle Ablation for Refractory VT
The Thermedical Ablation System and Durablate catheter is indicated for use in patients with recurrent, sustained, monomorphic ventricular tachycardia (SMVT) r…
Restoring Iron Deficiency to Expand Blood Volume and Improve POTS
People with postural orthostatic tachycardia syndrome (POTS) often have low red blood cell volumes and low ferritin in their blood (a marker of iron storage in…
The Long COVID-19 Wearable Device Study
To further characterize Long COVID-19 by collecting data from individuals who already own wearable devices or are provided with a wearable device along with ba…
PERceptions of Diltiazem Versus ADEnosine for Treatment of Supraventricular Tachycardia in the Emergency Department: PERVADE-ED Study
Supraventricular tachycardia (SVT) is a dysrhythmia characterized rapid heart rate, typically with rapid onset. SVT accounts for over 50,000 emergency departme…
Electroanatomic Interactions Between Transcatheter Pulmonary Valve Prostheses and Anatomic Isthmuses in Repaired Tetralogy of Fallot
Individuals with repaired Tetralogy of Fallot (rTOF) remain at risk for sudden cardiac death from ventricular tachycardia (VT). Transcatheter pulmonary valve r…
Hypermobile Ehlers-Danlos Syndrome: Efficacy of Non-invasive Vagal Nerve Stimulation and Effects on Brain-Gut Physiology
Hypermobile Ehlers-Danlos Syndrome (hEDS) is a connective tissue disorder characterized by hyperextensible skin, joint hypermobility and additional connective …
Unhide® Project Also Known as The Unhide® Solve Together Unified Platform
The unhide® Project is a non-interventional, longitudinal research study designed to establish a secure data repository of demographic, health, and lifestyle i…