Abstract:Background: Abnormalities in heart rate variability analysis (HRV) have been found in patients with postural orthostatic stress syndrome (POTS), indicating impaired autonomic function. We screened HRV in children in a 5-minute active standing test.Methods: 48 of nearly 500 (9.6%) screened children had a heart rate increase of more than 35 bpm on average in the first 5 minutes active standing test. These data are compared to well-defined indication groups: Healthy controls (N=47), Anorexia Nervosa (N=43), Obesi… Show more
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