65 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 A Pilot Trial of Phenylephrine Versus Norepinephrine for Septic Shock in Critically Ill Patients
Conditions: Septic Shock;   Sepsis;   Shock;   Tachycardia;   Arrhythmia
Interventions: Drug: Phenylephrine;   Drug: Norepinephrine
5 Recruiting Rate Control Versus Rhythm Control For Postoperative Atrial Fibrillation
Condition: Postoperative Atrial Fibrillation
Interventions: Drug: Amiodarone;   Procedure: DC-cardioversion;   Drug: Rate Control
6 Not yet recruiting Substrate Versus Trigger Ablation for Atrial Fibrillation
Condition: Atrial Fibrillation
Interventions: Procedure: FIRM Ablation;   Procedure: Conventional AF ablation with PVI
7 Recruiting The Dynamics of Human Atrial Fibrillation
Conditions: Atrial Fibrillation;   Atrial Tachyarrhythmia
Intervention:
8 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
9 Recruiting Vein of Marshall Ethanol Infusion for Persistent Atrial Fibrillation FIBRILLATION
Conditions: Ventricular Tachycardia;   Atrial Fibrillation
Interventions: Drug: Ethanol;   Procedure: Ablation
10 Recruiting Using the Optical Frequency Domain Imaging (OFDI) Capsule to Image the Esophagus in Patients Who Have Atrial Fibrillation and Have Undergone Radio Frequency (RF) Ablation
Condition: Atrial Fibrillation
Intervention: Device: OFDI Capsule
11 Recruiting A Study of Pyridostigmine in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Interventions: Drug: pyridostigmine;   Drug: Placebo
12 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
13 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
14 Recruiting Rhythm Evaluation for AntiCoagulaTion With COntinuous Monitoring
Condition: Atrial Fibrillation
Intervention: Drug: Non-coumadin Oral Anticoagulant
15 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
16 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
17 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:
18 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)
19 Unknown  Predictors of Anticoagulation Control on Warfarin Therapy
Conditions: Atrial Fibrillation;   Deep Vein Thrombosis;   Heart Valve Replacement
Intervention:
20 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
Intervention:

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