title: From the electrodiagnostics lab... When quantitative sudomotor axon reflex testing helps differentiate central versus peripheral nervous system as the source of sensory symptoms in an extremity.
authors.forename: Ronald E
authors.initials: RE
authors.lastname: Leppanen
authors.forename: Susan
authors.initials: S
authors.lastname: Stoffell
authors.forename: Walter
authors.initials: W
authors.lastname: Sweat
mesh_terms: D000368:Aged; D001342:Autonomic Nervous System Diseases / Q000175:diagnosis* / Q000503:physiopathology; D001369:Axons / Q000502:physiology; D001833:Body Temperature Regulation; D002493:Central Nervous System Diseases / Q000175:diagnosis* / Q000503:physiopathology; D003937:Diagnosis, Differential; D003943:Diagnostic Techniques, Neurological; D005260:Female; D006801:Humans; D009431:Neural Conduction; D010523:Peripheral Nervous System Diseases / Q000175:diagnosis* / Q000503:physiopathology; D012018:Reflex / Q000502:physiology; D013546:Sweating / Q000502:physiology; D017779:Sympathetic Fibers, Postganglionic / Q000503:physiopathology