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
21 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
Intervention:
22 Recruiting Pharmacogenetics of Warfarin in Puerto Ricans.
Conditions: Atrial Fibrillation;   Deep Vein Thrombosis;   Cardiac Valvular Insufficiency;   Antiphospholipid Syndrome;   Coagulopathy
Intervention:
23 Unknown  Biomagnetic Characterization of Gastric Dysrhythmias:Study 2
Condition: Ischemia
Intervention:
24 Unknown  Cardiac Arrest Recovery EEG Study
Conditions: Cardiac Arrest;   Arrhythmia
Intervention:
25 Recruiting Study to Evaluate the Safety and Activity of BB3 to Treat Heart Attack
Condition: Myocardial Infarction
Interventions: Drug: BB3;   Drug: Placebo
26 Recruiting HCMR - Novel Markers of Prognosis in Hypertrophic Cardiomyopathy
Condition: Hypertrophic Cardiomyopathy
Intervention: Other: None - this is an observational study
27 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.
28 Recruiting Inflammation, Viral Replication, and Atherosclerosis in Treated HIV Infection
Condition: Atherosclerosis
Intervention:
29 Recruiting An Intervention to Improve Implantable Cardioverter-Defibrillator Deactivation Conversations
Conditions: Communication;   Heart Failure
Interventions: Behavioral: Communication training for cardiologists.;   Other: Control arm
30 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
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 Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care
Conditions: Infection;   Hypertension;   Anesthesia;   Pain;   Reflux;   Nausea;   Edema;   Hyperlipidemia;   Hypotension;   Hypercholesterolemia
Intervention: Drug: Ampicillin
33 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
34 Recruiting Methylphenidate to Improve Balance and Walking in MS
Condition: Multiple Sclerosis
Interventions: Drug: Methylphenidate (Ritalin);   Drug: Placebo
35 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.
36 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)
37 Unknown  Effects of Duloxetine on Fear Conditioning in Posttraumatic Stress Disorder (PTSD)
Condition: Posttraumatic Stress Disorder
Intervention: Drug: Duloxetine
38 Recruiting Measurement of Autonomic Cardiovascular Integrity in Persons With SCI
Condition: Spinal Cord Injury
Intervention:
39 Unknown  Preventing ICU Subsyndromal Delirium Conversion to Delirium With Haloperidol
Condition: Subsyndromal Delirium
Interventions: Drug: Haloperidol decanoate;   Drug: Placebo
40 Recruiting Assessment of the Treatment of Severely Burned With Anabolic Agents on Clinical Outcomes, Recovery and Rehabilitation
Condition: Burns
Interventions: Procedure: Stable Isotope Infusion Study;   Procedure: Collection of blood and tissues;   Procedure: Radiology testing: Dual-energy X-ray absorptiometry (DEXA), ultrasound, MRI;   Drug: Humatrope;   Drug: Ketoconazole;   Drug: Oxandrolone;   Drug: Propranolol;   Drug: Oxandrolone and propranolol combined;   Drug: Humatrope and propranolol combined;   Drug: Placebo;   Behavioral: Exercise--Hospital supervised intensive exercise program;   Behavioral: Home exercise program

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Indicates status has not been verified in more than two years