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Found 136 studies with search of: "Tachycardia"
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1 Recruiting Iv Amiodarone Versus Iv Procainamide to Treat Haemodynamically Well Tolerated Ventricular Tachycardia
Conditions: Ventricular Tachycardia;   Wide QRS Tachycardia
Intervention: Drug: iv Amiodarone and iv Procainamide
2 Recruiting Ablation of Inappropriate Sinus Tachycardia
Condition: Inappropriate Sinus Tachycardia
Intervention: Procedure: electrophysiology study and radiofrequency ablation
3 Recruiting AV Nodal Reentrant Tachycardia Study
Condition: Tachycardia, Atrioventricular Nodal Reentry
Intervention: Procedure: Cardiac Invasive Electrophysiological Study
4 Recruiting Magnetically Navigated vs. Manually Guided Radiofrequency in Atrioventricular-Node-Reentry-Tachycardia
Conditions: Atrioventricular Nodal Reentry Tachycardia;   Radiofrequency Ablation
Intervention: Procedure: RF-ablation
5 Terminated The Use of CT to Identify Damaged Heart Muscle in Patients Undergoing Ventricular Tachycardia Ablation.
Condition: Ventricular Tachycardia
Intervention:
6 Recruiting European Multicenter Study Radiofrequency (RF) Versus Cryo in Atrioventricular Nodal Reentry Tachycardia (AVNRT)
Condition: Atrioventricular Nodal Reentry Tachycardia
Interventions: Procedure: RF-ablation;   Procedure: cryo ablation
7 Recruiting Catheter Evaluation for Endocardial Ablation in Patients With Ventricular Tachycardia
Condition: Ventricular Tachycardia
Intervention: Device: NAVISTAR® THERMOCOOL® Catheter
8 Not yet recruiting Stereotaxis Study To Obliterate Persistent Ventricular Tachycardia
Condition: Ventricular Tachycardia
Intervention: Device: Magnetic irrigated catheter for VT
9 Not yet recruiting Anti-Arrhythmic Medication v. MRI-Merge Ablation in the Treatment of Ventricular Tachycardia
Condition: Ventricular Tachycardia
Interventions: Procedure: MRI guided VT ablation;   Drug: Increased dose of amiodarone
10 Recruiting Routine Mini-Invasive Electrophysiology Study for Patients Feeling Tachycardia, With a Negative Holter ECG
Conditions: Pre-Excitation Syndromes;   Paroxysmal Tachycardia;   Atrial Fibrillation;   Atrial Flutter;   Wolff-Parkinson-White Syndrome
Intervention: Procedure: Mini-invasive electrophysiological study
11 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
12 Recruiting The Use of Dual Chamber ICD With Special Programmed Features to Lower the Risk of Inappropriate Shock
Conditions: Ventricular Tachycardia;   Ventricular Fibrillation;   Atrial Fibrillation;   Supraventricular Tachycardia
Intervention: Device: ICD
13 Recruiting A Study of Pyridostigmine in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Intervention: Drug: pyridostigmine
14 Completed Intravenous n-3 Fatty Acids and Ventricular Tachycardia in Patients With Implantable Cardioverter Defibrillator (ICD)-Pacemaker
Conditions: Ventricular Tachycardia;   Sudden Cardiac Death
Interventions: Drug: Omegaven;   Drug: Isotonic saline
15 Recruiting Acute Salt Handling in Orthostatic Intolerance
Conditions: Postural Tachycardia Syndrome;   Orthostatic Tachycardia;   Orthostatic Intolerance
Intervention: Other: normal saline (0.9%)
16 Recruiting Multicenter Study of Antiarrhythmic Medications for Treatment of Infants With Supraventricular Tachycardia
Condition: Supraventricular Tachycardia in Infants
Intervention: Drug: digoxin and propranolol
17 Completed Epidemiology of Symptomatic Arrhythmias
Conditions: Cardiovascular Diseases;   Heart Diseases;   Atrial Fibrillation;   Arrhythmia;   Tachycardia;   Tachycardia, Supraventricular
Intervention:
18 Completed Prevention of Atrial Tachycardia After a Right Atriotomy
Condition: Atrial Tachycardia
Intervention: Procedure: Cryoablation
19 Recruiting Peripheral Dopamine in Postural Tachycardia Syndrome
Conditions: Postural Tachycardia Syndrome;   Orthostatic Intolerance
Interventions: Drug: Carbidopa;   Drug: Placebo
20 Active, not recruiting Autonomic Profiles in Pediatric Patients With Cyclic Vomiting Syndrome (CVS), Irritable Bowel Syndrome (IBS),Postural Orthostatic Tachycardia Syndrome (POTS), Functional Abdominal Pain (FAP) or Chronic Nausea
Conditions: Vomiting Syndrome;   Irritable Bowel Syndrome;   Postural Orthostatic Tachycardia Syndrome;   Abdominal Pain;   Chronic Nausea
Intervention:

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