115 studies found for:    Open Studies | "Tachycardia"
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Rank Status Study
21 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
22 Unknown  The Renin-Aldosterone Axis in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Intervention: Drug: Angiotensin II
23 Unknown  Safety and Efficacy of Paramedic Treatment of Regular Supraventricular Tachycardia
Condition: Supraventricular Tachycardia
Interventions: Other: Paramedic;   Other: Standard care
24 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
25 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
26 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
27 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
28 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
29 Recruiting Effectiveness of Ripple Mapping in Atrial Tachycardia Ablation
Condition: Atrial Tachycardia
Interventions: Device: Ripple Mapping guided AT ablation;   Device: Conventional AT ablation
30 Recruiting Modafinil and Cognitive Function in POTS
Condition: Postural Tachycardia Syndrome
Interventions: Drug: Placebo;   Drug: Modafinil;   Drug: Propranolol
31 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
32 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
33 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
34 Recruiting Transdermal Vagal Stimulation for POTS
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Other: Stimulation;   Other: Placebo
35 Recruiting Bipolar Ventricular Tachycardia (VT) Study
Condition: Ventricular Tachycardia
Intervention: Device: Bipolar Ablation
36 Recruiting Prospective Randomized Clinical Trial for Effect of Stellate Ganglion Block in Medically Refractory Ventricular Tachycardia
Condition: Refractory Ventricular Tachycardia
Interventions: Drug: Antiarrhythmic drug;   Procedure: percutaneous stellate ganglion block (PSGB)
37 Unknown  Imaging With a Radio Tracer to Guide VT Ablations
Conditions: Ventricular Tachycardia;   Arrhythmia
Intervention: Drug: 123I-metaiodobenzylguanidine
38 Unknown  Accuracy and Safety Study of the Magnetecs CGCI System for Intracardiac Mapping
Conditions: Tachycardia, Supraventricular;   Tachycardia, Ventricular
Interventions: Procedure: Remote magnetic navigation;   Device: Magnetecs Catheter Guidance Control and Imaging system
39 Recruiting POTS Adrenergic Ab (CIHR Aims #1&2)
Condition: Postural Tachycardia Syndrome
Interventions: Drug: Phenylephrine;   Drug: Isoproterenol
40 Recruiting Qualitative Sweat Distribution During Tilt Table Procedure
Conditions: Postural Tachycardia Syndrome;   Syncope;   Anxiety
Intervention: Other: Alizarin Red

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Indicates status has not been verified in more than two years