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Reflex Sympathetic Dystrophy (RSD) - Medical Illustration, Human Anatomy Drawing
Mechanism of reflex sympathetic dystrophy (RSD) of the right leg with lumbar sympathetic chain block surgery. The pain pathway of RSD originates here in the leg, coursing through the sciatic nerve to the spinal cord to the brain, triggering a sympathetic inflammatory response in the leg, resulting in pain and swelling. Also shown is the sympathetic chain ganglia in the region of the lumbar spine and sacrum with anesthetic being injected into the region of L5 and S1 to break the cycle of pain.