118 studies found for:    Open Studies | "Tachycardia"
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Rank Status Study
21 Recruiting Dietary Sodium's Effect on Urinary Sodium and Dopamine Excretion in Patients With Postural Tachycardia Syndrome
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: Total Blood Volume;   Procedure: Exercise Capacity Test - Bicycle;   Procedure: Posture Study
22 Recruiting Effect of Medical Treatment and Prognosis of Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Drug: Propranolol;   Drug: Bisoprolol;   Drug: Propranolol+pyridostigmine;   Drug: Bisoprolol+pyridostgmine
23 Not yet recruiting Ventricular Tachycardia in Ischemic Cardiomyopathy; a Combined Endo-Epicardial Ablation Within the First Procedure Versus a Stepwise Approach
Conditions: Ventricular Tachycardia;   Ischemic Cardiomyopathy
Interventions: Other: combined endo/epicardial approach;   Other: stepwise approach
24 Recruiting Preventive aBlation of vEntricular tachycaRdia in Patients With myocardiaL INfarction
Condition: Ventricular Tachycardia
Intervention: Procedure: VT ablation
25 Not yet recruiting CyberHeart's Cardiac Arrhythmia Ablation Treatment: Patients With Refractory Ventricular Tachycardia/Fibrillation
Condition: Tachycardia, Ventricular
Intervention: Device: CyberHeart System
26 Recruiting Safety and Efficacy Aspects of a Standardized Stepwise Anatomical Approach for AVNRT Ablation
Condition: Re-entrant Atrioventricular Node Tachycardia
Intervention: Procedure: Coronary sinus / left-sided slow pathway ablation
27 Unknown  The Renin-Aldosterone Axis in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Intervention: Drug: Angiotensin II
28 Unknown  Safety and Efficacy of Paramedic Treatment of Regular Supraventricular Tachycardia
Condition: Supraventricular Tachycardia
Interventions: Other: Paramedic;   Other: Standard care
29 Recruiting Assessment of Vascular Endothelial Function in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Intervention: Device: Blood Pressure and Blood Flow
30 Unknown  Using Non-Fluoroscopic Imaging Devices to Decrease Radiation Exposure During Ablation of Supraventricular Tachycardia
Condition: Supraventricular Tachycardia
Intervention: Device: Intracardiac echocardiography and 3D navigational system
31 Recruiting Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Tachycardia Syndrome
Intervention: Drug: Cosyntropin administration
32 Not yet recruiting Safety and Efficacy of Post Ablation Apixaban Use for Reduction of the Risk of Cerebrovascular Events in Patients Undergoing Ventricular Tachycardia Radiofrequency Catheter Ablation
Condition: Ventricular Tachycardia
Interventions: Drug: Apixaban;   Drug: Aspirin
33 Recruiting Assessment of Antibodies and Inflammatory Markers in Postural Tachycardia Syndrome
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Other: History;   Other: Physical;   Other: blood draw;   Behavioral: Questionnaires
34 Recruiting Utility of ICD Electrograms During Ventricular Tachycardia Ablation
Condition: Sustained Monomorphic Ventricular Tachycardia
Interventions: Procedure: Conventional RF catheter ablation;   Procedure: Investigational RF Catheter Ablation using ICD-EG information
35 Recruiting Iron Sucrose in Adolescents With Iron Deficiency and Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Drug: Iron infusion;   Drug: Normal saline infusion
36 Not yet recruiting Effectiveness of Ripple Mapping in Atrial Tachycardia Ablation
Condition: Atrial Tachycardia
Interventions: Device: Ripple Mapping guided AT ablation;   Device: Conventional AT ablation
37 Recruiting Modafinil and Cognitive Function in POTS
Condition: Postural Tachycardia Syndrome
Interventions: Drug: Placebo;   Drug: Modafinil;   Drug: Propranolol
38 Recruiting Using Ripple Mapping to Guide Substrate Ablation of Scar Related Ventricular Tachycardia.
Conditions: Monomorphic Ventricular Tachycardia;   Myocardial Infarction;   Dilated Cardiomyopathy
Interventions: Device: Ripple Mapping guided VT ablation;   Device: Conventional VT ablation
39 Recruiting Efficacy and Safety of Epicardial VT Ablation Using Contact Force Irrigated Tip Catheter - Pilot Sutdy
Condition: Tachycardia, Ventricular
Interventions: Procedure: Epicardial VT ablation;   Procedure: Endocardial VT Ablation
40 Recruiting A Study of Caffeine on Cardiac Arrhythmias
Conditions: Supraventricular Tachycardia (SVT);   Atrial Fibrillation
Interventions: Drug: Caffeine;   Other: Placebo

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Indicates status has not been verified in more than two years