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Complex regional pain syndrome (CRPS type 1 and type 2), sometimes referred to by the hyponyms reflex sympathetic dystrophy (RSD) or reflex neurovascular dystrophy (RND), is a rare and severe form of neuroinflammatory and dysautonomic disorder causing chronic pain, neurovascular, and neuropathic symptoms.
Explanatory model of chronic pain. Chronic pain is defined as reoccurring or persistent pain lasting more than 3 months. [1] The International Association for the Study of Pain (IASP) defines pain as "An unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage". [2]
This form, similarly to other forms of AMPS, is known to be able to spread from one limb to a new limb. 35% of people effected with CRPS report full-body impacts from the condition. Common symptoms of CRPS include musculoskeletal pain; swelling; changes to the skin texture, color, or temperature; and limited range of motion. [11]
Allodynia is a condition in which pain is caused by a stimulus that does not normally elicit pain. [1] For example, sunburn can cause temporary allodynia, so that usually painless stimuli, such as wearing clothing or running cold or warm water over it, can be very painful.
Not that I agree the article should be called RSD- the term should certainly redirect to CRPS as it currently does. —/Mendaliv/ 2¢ / Δ's / 20:19, 19 September 2009 (UTC) This is not necessary. There is currently a redirect page for RSD/CRPS. That should suffice. There is also a disambiguation page for CRPS.
An infectious organism can escape the confines of the immediate tissue via the circulatory system or lymphatic system, where it may spread to other parts of the body. If an organism is not contained by the actions of acute inflammation, it may gain access to the lymphatic system via nearby lymph vessels .
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Similar brief shocks can be experienced when any other nerve is tweaked (e.g. a pinched neck nerve may cause a brief shock-like paresthesia toward the scalp). In the older age group, spinal column irregularities may tweak the spinal cord briefly when the head or back is turned, flexed, or extended into brief uncommon positions (Lhermitte's sign).