73 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 Effectiveness of Bridging Anticoagulation for Surgery (The BRIDGE Study)
Conditions: Arterial Thromboembolic Events;   Atrial Fibrillation
Interventions: Drug: Placebo;   Drug: Dalteparin
23 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
Intervention:
24 Recruiting Pharmacogenetics of Warfarin in Puerto Ricans.
Conditions: Atrial Fibrillation;   Deep Vein Thrombosis;   Cardiac Valvular Insufficiency;   Antiphospholipid Syndrome;   Coagulopathy
Intervention:
25 Unknown  Biomagnetic Characterization of Gastric Dysrhythmias:Study 2
Condition: Ischemia
Intervention:
26 Unknown  Cardiac Arrest Recovery EEG Study
Conditions: Cardiac Arrest;   Arrhythmia
Intervention:
27 Recruiting Study to Evaluate the Safety and Activity of BB3 to Treat Heart Attack
Condition: Myocardial Infarction
Interventions: Drug: BB3;   Drug: Placebo
28 Recruiting HCMR - Novel Markers of Prognosis in Hypertrophic Cardiomyopathy
Condition: Hypertrophic Cardiomyopathy
Intervention: Other: None - this is an observational study
29 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.
30 Recruiting Inflammation, Viral Replication, and Atherosclerosis in Treated HIV Infection
Condition: Atherosclerosis
Intervention:
31 Recruiting An Intervention to Improve Implantable Cardioverter-Defibrillator Deactivation Conversations
Conditions: Communication;   Heart Failure
Interventions: Behavioral: Communication training for cardiologists.;   Other: Control arm
32 Unknown  Effectiveness of an Exercise Program at Improving Heart and Lung Function in People With an Implantable Cardioverter Defibrillator (ICD)
Conditions: Defibrillators, Implantable;   Heart Failure, Congestive
Intervention: Behavioral: Aerobic Exercise Program
33 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
34 Recruiting Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care
Conditions: Infection;   Hypertension;   Anesthesia;   Pain;   Reflux;   Nausea;   Edema;   Hyperlipidemia;   Hypotension;   Hypercholesterolemia;   Sedation;   Anxiolysis;   Benzodiazepine Withdrawal;   Bipolar Disorder;   Autistic Disorder;   Schizophrenia;   Influenza Treatment or Prophylaxis;   Acute Decompensated Heart Failure;   Stable Angina;   Life-threatening Fungal Infections;   Nosocomial Pneumonia;   Community Acquired Pneumonia;   Acute Bacterial Exacerbation of Chronic Bronchitis;   Complicated Skin and Skin Structure Infections;   Uncomplicated Skin and Skin Structure Infections;   Chronic Bacterial Prostatitis;   Complicated Urinary Tract Infections;   Acute Pyelonephritis;   Uncomplicated Urinary Tract Infections;   Inhalational Anthrax (Post-Exposure)
Intervention: Drug: Ampicillin
35 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
36 Recruiting Methylphenidate to Improve Balance and Walking in MS
Condition: Multiple Sclerosis
Interventions: Drug: Methylphenidate (Ritalin);   Drug: Placebo
37 Unknown  Use of Interactive Gaming for Enhanced Function After Spinal Cord Injury
Condition: Paraplegia and Tetraplegia
Intervention: Other: Video gaming for enhanced function after spinal cord injury.
38 Recruiting Blood Pressure, Heart Rate Variability & Sleep in Veterans With PTSD
Conditions: Insomnia;   Posttraumatic Stress Disorder;   Hypertension;   Cardiovascular Disease
Intervention: Behavioral: Cognitive-Behavioral Therapy for Insomnia (CBTI)
39 Unknown  Effects of Duloxetine on Fear Conditioning in Posttraumatic Stress Disorder (PTSD)
Condition: Posttraumatic Stress Disorder
Intervention: Drug: Duloxetine
40 Recruiting Measurement of Autonomic Cardiovascular Integrity in Persons With SCI
Condition: Spinal Cord Injury
Intervention:

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Indicates status has not been verified in more than two years