elevated CPK,
paresthesia
pain c passive motion
pain c active flexion
tenderness over compartment
compartment pressure >30-35 mmHg is the level most sources site, though this is probably too low to cause ischemia.
More accurate is a level which is greater than 10-30 of diastolic or MAP depending on which study is used.
cm/water x .73333=mm/hg
Case report of gluteal compartment syndrome from heroin injection, temporally related to rhabdomyolysis (Neurology 1997;48(1):275)
Baseline Compartment Pressures in Isolated Lower Extremity Fractures (J Trauma 2006;60:1037)
Compartment Pressure within 20 of diastolic
or >30 or 45 occurred in a majority of patients with no clinical evidence of the syndrome
acute lower ext screening protocol (J Trauma Volume 63(2), August 2007, pp 268-275) (2 picts)
