- Conditions
- Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome, Tachycardia, Arrhythmias, Cardiac, Autonomic Nervous System Diseases, Orthostatic Intolerance, Cardiovascular Diseases, Primary Dysautonomias
- Interventions
- phenylephrine, isoproterenol, 25 micro-Ci of radiation, Posture study with blood samples, 24-hour heart rhythm and blood pressure monitoring, Quantitative Axonal Sudomotor Reflex Testing, Autonomic function tests, Rebreathing test, Assessment of splanchnic capacitance, microneurography
- Drug · Radiation · Procedure + 1 more
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 58 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2026
- U.S. locations
- 2
- States / cities
- Oklahoma City, Oklahoma • Nashville, Tennessee
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- Conditions
- Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
- Interventions
- 24 Holter Monitor Recording
- Device
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Syncope, Pre-syncope, Atrial Fibrillation, Supraventricular Tachycardia
- Interventions
- Standard Holter/Investigational patch
- Device
- Lead sponsor
- Seattle Institute for Cardiac Research
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011
- U.S. locations
- 2
- States / cities
- Chicago, Illinois • Enumclaw, Washington