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CRPS I (RSD)
An injury or insult Pain that comes on by itself or is easily provoked, that is much more severe than would be expected Pain is not produced by a single nerve Edema, skin blood flow changes, and abnormal sweating since the injury Other causes have been ruled out
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CRPS II (Causalgia)
Evolves from RSD (CRPS I)
Is more regionally confined Pain may spread in a non-anatomical pattern Intermittent changes in blood flow, sweat, color, temperature, strength and motion out of proportion to the original injury.
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