79 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
21 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
22 Recruiting Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention
Conditions: Heart Failure, Congestive;   Death, Sudden, Cardiac;   Arrhythmia;   Cardiomyopathies
Intervention:
23 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
24 Not yet recruiting Risk of Oxygen During Cardiac Surgery Trial
Condition: Cardiac Surgery
Intervention: Drug: Oxygen
25 Recruiting A Registry to Determine the Clinical and Genetic Risk Factors for Torsade De Pointes
Conditions: Long qt Syndrome;   Torsade de Pointes
Intervention:
26 Unknown  A Novel Treatment For Chronic Posttraumatic Stress Disorder (PTSD) Using Post-Reactivation Propranolol
Condition: Stress Disorders, Post-Traumatic
Intervention: Drug: Propranolol is available in generic form as the Wyeth product under the trade name Inderal.
27 Unknown  Cardiac Arrest Recovery EEG Study
Conditions: Cardiac Arrest;   Arrhythmia
Intervention:
28 Recruiting Exercise in Genetic Cardiovascular Conditions
Conditions: Hypertrophic Cardiomyopathy;   Long QT Syndrome
Intervention:
29 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
30 Recruiting An Intervention to Improve Implantable Cardioverter-Defibrillator Deactivation Conversations
Conditions: Communication;   Heart Failure
Interventions: Behavioral: Communication training for cardiologists.;   Other: Control arm
31 Not yet recruiting Rapid Inflation/Deflation Compared With Prolonged High-Pressure Balloon Inflation
Conditions: Coronary Artery Disease;   Coronary Stent Occlusion
Interventions: Other: Prolonged inflation;   Other: Rapid inflation
32 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
33 Recruiting HCMR - Novel Markers of Prognosis in Hypertrophic Cardiomyopathy
Condition: Hypertrophic Cardiomyopathy
Intervention: Other: None - this is an observational study
34 Recruiting Genetics of QT Prolongation With Antiarrhythmics
Conditions: Long QT Syndrome;   Drug Toxicity
Intervention: Drug: Dofetilide and/or sotalol
35 Not yet recruiting Evaluating the Benefit of Concurrent Tricuspid Valve Repair During Mitral Surgery
Conditions: Mild Tricuspid Regurgitation;   Moderate Tricuspid Regurgitation;   Tricuspid Regurgitation
Interventions: Procedure: TV Annuloplasty;   Procedure: MVS Alone
36 Recruiting Methylphenidate to Improve Balance and Walking in MS
Condition: Multiple Sclerosis
Interventions: Drug: Methylphenidate;   Drug: Placebo
37 Recruiting Epidemiology, Acute Management, and Outcomes of Patients With Sepsis Presenting to a Referral Hospital in Western Kenya
Conditions: Sepsis;   Severe Sepsis;   Septic Shock
Interventions: Other: WHO algorithm of fluid boluses guided by physical examination;   Other: Frequent patient monitoring;   Other: Early administration of empiric antibiotics;   Other: Oxygen delivery;   Other: Correction of hypoglycemia;   Other: Correction of severe anemia
38 Recruiting Established Status Epilepticus Treatment Trial
Condition: Benzodiazepine Refractory Status Epilepticus
Interventions: Drug: Fosphenytoin;   Drug: Levetiracetam;   Drug: Valproic acid
39 Recruiting Cardiovascular Disease Protection Tissue
Condition: Myocardial Ischemia
Interventions: Procedure: Heart failure or coronary disease;   Procedure: Heart transplant patients;   Procedure: Orthotopic Heart Transplant Patients;   Procedure: Heart Surgery Patients;   Procedure: Blood Draw
40 Recruiting Inflammation, Viral Replication, and Atherosclerosis in Treated HIV Infection
Condition: Atherosclerosis
Intervention:

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