64 studies found for:    arrhythmia OR atrial fibrillation OR ventricular fibrillation OR tachycardia OR bradycardia | Open Studies | Exclude Unknown | NIH, U.S. Fed
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Rank Status Study
1 Recruiting Vein of Marshall Ethanol Infusion for Persistent Atrial Fibrillation
Conditions: Ventricular Tachycardia;   Atrial Fibrillation
Interventions: Drug: Ethanol;   Procedure: Ablation
2 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
3 Recruiting Substrate Versus Trigger Ablation for Paroxysmal Atrial Fibrillation
Condition: Atrial Fibrillation
Interventions: Procedure: FIRM Ablation;   Procedure: Conventional AF ablation with PVI
4 Recruiting MRI Assessment of Arrythmia Ablation Lesions
Conditions: Ventricular Tachycardia;   Cardiac Arrhythmia
Intervention: Other: MRI scan
5 Not yet recruiting New Formulations of Propafenone to Treat Atrial Fibrillation
Condition: Atrial Fibrillation
Interventions: Drug: (R)-propafenone;   Drug: (S)-Propafenone;   Drug: Placebo
6 Recruiting A Study of Pyridostigmine in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Interventions: Drug: pyridostigmine;   Drug: Placebo
7 Recruiting Influence of Sleep Apnea on Risk of Atrial Fibrillation
Conditions: Sleep Apnea;   Atrial Fibrillation
Intervention: Other: Continuous Positive Airway Pressure
8 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
9 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:
10 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)
11 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
Intervention:
12 Recruiting Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention
Conditions: Heart Failure, Congestive;   Death, Sudden, Cardiac;   Arrhythmia;   Cardiomyopathies
Intervention:
13 Recruiting Pharmacogenetics of Warfarin in Caribbean Hispanics
Conditions: Atrial Fibrillation;   Deep Vein Thrombosis;   Cardiac Valvular Insufficiency;   Coagulopathies;   Pulmonary Embolism
Interventions: Genetic: Genotype-guided;   Other: Standard-of-Care
14 Recruiting Risk of Oxygen During Cardiac Surgery Trial
Condition: Cardiac Surgery
Intervention: Drug: Oxygen
15 Recruiting A Registry to Determine the Clinical and Genetic Risk Factors for Torsade De Pointes
Conditions: Long qt Syndrome;   Torsade de Pointes
Intervention:
16 Recruiting Exercise in Genetic Cardiovascular Conditions
Conditions: Hypertrophic Cardiomyopathy;   Long QT Syndrome
Intervention:
17 Recruiting Open-Labeled PK-PD Studies of Metoprolol ER
Condition: Blood Pressure
Interventions: Drug: Toprol XL;   Device: SmartPill Capsule;   Procedure: Exercise Treadmill;   Procedure: 24 hour holter monitor;   Other: 24-hour pharmacokinetic parameters;   Drug: Wockhardt metoprolol;   Drug: Activas metoprolol
18 Recruiting An Intervention to Improve Implantable Cardioverter-Defibrillator Deactivation Conversations
Conditions: Communication;   Heart Failure
Interventions: Behavioral: Communication training for cardiologists.;   Other: Control arm
19 Recruiting Plerixafor After Radiation Therapy and Temozolomide in Treating Patients With Newly Diagnosed High Grade Glioma
Conditions: Adult Ependymoblastoma;   Adult Giant Cell Glioblastoma;   Adult Glioblastoma;   Adult Gliosarcoma;   Adult Medulloblastoma;   Adult Mixed Glioma;   Adult Oligodendroglial Tumors;   Adult Pineoblastoma;   Adult Supratentorial Primitive Neuroectodermal Tumor (PNET)
Interventions: Radiation: radiation therapy;   Drug: temozolomide;   Drug: plerixafor;   Other: laboratory biomarker analysis;   Other: pharmacological study
20 Recruiting HCMR - Novel Markers of Prognosis in Hypertrophic Cardiomyopathy
Condition: Hypertrophic Cardiomyopathy
Intervention: Other: None - this is an observational study

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Indicates status has not been verified in more than two years