Retrospectively review the charts of all children who had heart rate variability, deep breathing test, valsalva maneuver, tilt table test, thermoregulatory sweat testing, quantitative sudomotor axon reflex test (QSART) completed and were cared for at Children's Hospital of Wisconsin.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
To gather preliminary data to characterize autonomic function in children and adolescents with functional gastrointestinal disorders.
Timeframe: One year