Related Experiment Video
Updated: Aug 9, 2026

Measuring Cardiac Autonomic Nervous System (ANS) Activity in Toddlers - Resting and Developmental Challenges
Published on: February 25, 2016
Reflex sympathetic dystrophy in an adolescent
L A Koman1, A Barden, B P Smith
1Department of Orthopaedic Surgery, Bowman Gray School of Medicine of Wake Forest University, Winston-Salem, North Carolina 27157-1070.
Abstract:
The clinical course of an adolescent with reflex sympathetic dystrophy of the foot is presented. The potential problems of establishing objective diagnostic criteria for reflex sympathetic dystrophy are related to the dynamic nature of the disorder. Serial radiographic studies, radionuclide scans, and quantitative densitometric measurements may be useful in combination; isolated cold stress testing and laser Doppler fluxmetry are useful in assessing thermoregulation and vasomotor instability. A regimen of amitriptyline and phenytoin plus physical therapy with stress loading was useful in this patient, but in many patients the course is progressive, leading to chronic pain and debilitation.
Related Concept Videos
Disorders of the Skeletal Muscle
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Reflex Activity
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
Somatic Spinal Reflexes
One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...
Sympathetic Activation
Disorders of the Autonomic Nervous System
Raynaud's disease, also known as Raynaud's phenomenon, is a...
Multiple Sclerosis l: Introduction

