Paroxysmal Sympathetic Hyperactivity: Diagnostic Criteria, Complications, and Treatment after Traumatic Brain Injury

Purpose of Review Dysautonomia, now known as paroxysmal sympathetic hyperactivity (PSH) is a phenomenon described by fever, hypertension, tachycardia, and diaphoresis among other symptoms affecting patients after traumatic brain injury. The goal of this review is to review the diagnosis, treatment, and outcomes of patients with PSH based on the most current literature.