Diagnoses of Postural Orthostatic Tachycardia Syndrome (POTS) among teenagers is on the rise. Pediatrician Cindy Gellner, MD, explains the symptoms of POTS, how it differs from other conditions like anxiety or dehydration, and the role of the autonomic nervous system in regulating blood pressure and heart rate. Learn about the diagnostic process involving neurologists and the supportive treatments available.