Table 2.
Diagnostic criteria for CRPS.1
| A history of symptoms or the presence of signs are assessed the following categories: |
| Sensory Hypersensitivity to sensations such as light touch; temperature; deep pressure or pinprick. Allodynia or hyperalgesia. |
| Vasomotor Temperature asymmetry; skin colour changes; skin colour asymmetry |
| Sudomotor Oedema; sweating changes; sweating asymmetry |
| Motor/trophic Decreased range of motion; motor dysfunction (weakness, tremor, dystonia); trophic changes (hair, nail, skin) |
| Diagnostic criteria for CRPS are met when symptoms in 3 domains are reported and signs in two domains are witnessed. |
| Research criteria are met when symptoms in four domains are reported in the presence of signs in at least two domains. |