CRPS

Complications

Undisplaced wrist fracture

- interrupts blood supply at a watershed area

- between 3 weeks and 3 months post injry

Spontaneous

- RA / SLE

Just distal to extensor retinaculum at Lister's tubercle

Place hand flat on table

- lift only thumb

Chronic Regional Pain Syndrome

CRPS 1

Sympathetically mediated pain syndrome

- excessive or exaggerated response of extremity to injury, surgery or disease

Manifested by

- intense or unduly prolonged pain

- vasomotor disturbances

- trophic changes

- delayed functional recovery

CRPS 2