71 studies found for:    arrhythmia OR atrial fibrillation OR ventricular fibrillation OR tachycardia OR bradycardia | Open Studies | NIH, U.S. Fed
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Rank Status Study
1 Recruiting Amiodarone, Lidocaine or Neither for Out-Of-Hospital Cardiac Arrest Due to Ventricular Fibrillation or Tachycardia
Condition: Cardiac Arrest
Interventions: Drug: amiodarone;   Drug: Lidocaine;   Other: Normal saline
2 Recruiting PREdicting Atrial Fibrillation or Flutter
Conditions: Atrial Fibrillation;   Atrial Flutter
Intervention:
3 Recruiting The Maintenance of Human Atrial Fibrillation
Conditions: Atrial Fibrillation;   Arrhythmias, Cardiac
Intervention:
4 Recruiting Rate Control Versus Rhythm Control For Postoperative Atrial Fibrillation
Condition: Postoperative Atrial Fibrillation
Interventions: Drug: Amiodarone;   Procedure: DC-cardioversion;   Drug: Rate Control
5 Recruiting Catheter Ablation vs Anti-arrhythmic Drug Therapy for Atrial Fibrillation Trial
Conditions: Atrial Fibrillation;   Arrhythmia
Interventions: Device: Left atrial ablation;   Drug: Rate or Rhythm Control Therapy
6 Recruiting Vein of Marshall Ethanol Infusion for Persistent Atrial Fibrillation FIBRILLATION
Conditions: Ventricular Tachycardia;   Atrial Fibrillation
Interventions: Drug: Ethanol;   Procedure: Ablation
7 Recruiting The Dynamics of Human Atrial Fibrillation
Conditions: Atrial Fibrillation;   Atrial Tachyarrhythmia
Intervention:
8 Not yet recruiting Substrate Versus Trigger Ablation for Atrial Fibrillation
Condition: Atrial Fibrillation
Interventions: Procedure: FIRM Ablation;   Procedure: Conventional AF ablation with PVI
9 Recruiting A Study of Pyridostigmine in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Interventions: Drug: pyridostigmine;   Drug: Placebo
10 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
11 Recruiting Rhythm Evaluation for AntiCoagulaTion With COntinuous Monitoring
Condition: Atrial Fibrillation
Intervention: Drug: Non-coumadin Oral Anticoagulant
12 Unknown  Stress Reduction Program to Reduce Abnormal Heart Rhythms Treated With Implantable Cardioverter Defibrillators (The RISTA Study)
Condition: Arrhythmias, Cardiac
Intervention: Behavioral: Stress reduction treatment (SRT) program
13 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
14 Recruiting Treatment of Orthostatic Intolerance
Conditions: Tachycardia;   Chronic Orthostatic Intolerance
Interventions: Drug: Acetazolamide;   Drug: Atomoxetine;   Other: NO Drug;   Drug: Clonidine;   Drug: Entacapone;   Drug: Entacapone & Propranolol;   Drug: Atomoxetine & Propranolol;   Drug: Indomethacin;   Drug: Mecamylamine;   Drug: Isosorbide Dinitrate;   Dietary Supplement: Melatonin;   Drug: Midodrine;   Drug: Modafinil;   Drug: Octreotide;   Radiation: Placebo;   Drug: Propranolol;   Drug: Modafinil & Propranolol;   Drug: Sertraline;   Procedure: IV Saline;   Other: Drinking Water;   Device: Breathing Device;   Drug: memantine;   Device: Abdominal binder
15 Recruiting Identification of Genomic Predictors of Adverse Events After Cardiac Surgery
Conditions: Heart; Dysfunction Postoperative, Cardiac Surgery;   Genetic Predisposition to Disease;   Atrial Fibrillation;   Myocardial Infarction;   Heart Failure
Intervention:
16 Recruiting Fetal and Neonatal Magnetophysiology
Conditions: Fetal Arrhythmia;   Fetal Heart Rate;   Long QT Syndrome
Interventions: Device: magnetocardiography;   Device: postnatal ECG;   Device: fetal echocardiography
17 Not yet recruiting Positive Therapy for Autonomic Function & Mood in ICD Patients
Conditions: Ventricular Arrhythmia;   Implantable Cardioverter Defibrillator
Interventions: Behavioral: Quality of Life Therapy (QOLT);   Behavioral: Heart Healthy Education (HHE)
18 Unknown  Predictors of Anticoagulation Control on Warfarin Therapy
Conditions: Atrial Fibrillation;   Deep Vein Thrombosis;   Heart Valve Replacement
Intervention:
19 Unknown  Modeling Genotype and Other Factors to Enhance the Safety of Coumadin Prescribing
Conditions: Atrial Fibrillation;   Deep Venous Thrombosis;   Heart Valve Replacement;   Pulmonary Embolism
Intervention: Drug: Coumadin
20 Recruiting Effectiveness of Bridging Anticoagulation for Surgery (The BRIDGE Study)
Conditions: Arterial Thromboembolic Events;   Atrial Fibrillation
Interventions: Drug: Placebo;   Drug: Dalteparin

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Indicates status has not been verified in more than two years