47 studies found for:    Postural Tachycardia Syndrome
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Rank Status Study
21 Completed Hypnosis in Autonomic Function
Conditions: Vasovagal Syncope;   Postural Tachycardia Syndrome;   Hypnosis
22 Recruiting Iron Sucrose in Adolescents With Iron Deficiency and Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Drug: Iron infusion;   Drug: Normal saline infusion
23 Active, not recruiting Autonomic Profiles in Pediatric Patients With Cyclic Vomiting Syndrome (CVS), Irritable Bowel Syndrome (IBS),Postural Orthostatic Tachycardia Syndrome (POTS), Functional Abdominal Pain (FAP) or Chronic Nausea
Conditions: Vomiting Syndrome;   Irritable Bowel Syndrome;   Postural Orthostatic Tachycardia Syndrome;   Abdominal Pain;   Chronic Nausea
24 Recruiting Mechanisms of Vasovagal Syncope
Conditions: Vasovagal Syncope;   Postural Tachycardia Syndrome
Interventions: Drug: Phenylephrine;   Drug: L-Ng-monomethyl Arginine (L-NMMA)
25 Completed Head Circumference Growth in Children With Ehlers-Danlos Syndrome Who Develop Dysautonomia Later in Life
Conditions: Ehlers Danlos Syndrome;   External Hydrocephalus;   Dysautonomia;   Postural Orthostatic Tachycardia Syndrome;   Venous Insufficiency
26 Recruiting Transdermal Vagal Stimulation for POTS
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Other: Stimulation;   Other: Placebo
27 Completed
Has Results
Renal Salt Handling in Postural Tachycardia Syndrome Following Dietary Dopa Administration
Condition: Healthy Volunteers
Interventions: Dietary Supplement: Fava beans;   Other: Fixed Sodium Diet
28 Recruiting Qualitative Sweat Distribution During Tilt Table Procedure
Conditions: Postural Tachycardia Syndrome;   Syncope;   Anxiety
Intervention: Other: Alizarin Red
29 Unknown  Tilt Table With Suspected Postural Orthostatic Tachycardia Syndrome (POTS) Subjects
Conditions: Postural Orthostatic Tachycardia Syndrome;   Syncope, Vasovagal;   Neurocardiogenic Syncope
30 Active, not recruiting Objective Sleep Disturbances in Orthostatic Intolerance
Conditions: Postural Tachycardia Syndrome;   Chronic Orthostatic Intolerance
Intervention: Procedure: Polysomnography
31 Completed
Has Results
Effect of Exercise in OI
Conditions: Orthostatic Intolerance;   Postural Tachycardia Syndrome
Interventions: Drug: Propranolol then Placebo;   Drug: Placebo then Propranolol
32 Terminated Dopamine in Orthostatic Tolerance
Condition: Postural Tachycardia Syndrome
Intervention: Dietary Supplement: dietary sodium
33 Active, not recruiting Acute Salt Handling in Orthostatic Intolerance
Conditions: Postural Tachycardia Syndrome;   Orthostatic Tachycardia;   Orthostatic Intolerance
Intervention: Other: normal saline (0.9%)
34 Unknown  Cardiovascular Effects of Selective I(f)-Channel Blockade
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Drug: beta-blocker (Metoprolol);   Drug: I(f)-blocker (ivabradine);   Drug: Placebo
35 Recruiting Abdominal and Lower Extremity Compression During Tilt Table Testing in Adolescent POTS Patients
Conditions: Postural Orthostatic Tachycardia Syndrome (POTS);   Syncope
Intervention: Device: Zoex compression garment
36 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
37 Recruiting Effect of Dietary Sodium Intake on Vascular Endothelium
Condition: Postural Tachycardia Syndrome (POTS)
Interventions: Procedure: Pulsitile Arterial Tonometry (PAT) Protocol;   Device: Calf Blood Flow in Reactive Hyperemia (CBF-RH);   Device: Evaluation of Forearm-Mediated Dilation
38 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
39 Recruiting High Sodium Diet and External Abdominal Compression in POTS
Condition: Postural Orthostatic Tachycardia Syndrome
Intervention: Device: External automated abdominal binder
40 Completed PET Scan in Patients With Neurocardiologic Disorders
Condition: Autonomic Nervous System Diseases

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Indicates status has not been verified in more than two years