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Reflex Sympathetic Dystrophy

Reflex Sympathetic Dystrophy (RSD), or Complex Regional Pain Syndrome (CRPS I), applies to a variety of seemingly unrelated disorders having similar clinical feature and manifesting the same fundamental disturbed physiology. Causalgia or Complex Regional Pain Syndrome (CRPS II) is a historical term describing a RSD that follows partial or complete injury to peripheral nerve trunk. Pain is characterized by constant, spontaneous, severe burning pain. If persistent, it results in trophic changes.