Mangled Extremity Severity Score (MESS Score)
Estimates viability of an extremity after trauma, to determine need for salvage vs empiric amputation.
When to Use
Reduced pulse but normal perfusion+1
Pulseless, paresthesias, slow capillary refill+2
Cool, paralysis, numb/insensate+3
SBP > 90 mmHg consistently0
Low energy (stab, gunshot, simple fracture)+1
Medium energy (dislocation, open/multiple fractures)+2
High energy (high speed MVA or rifle shot)+3
Very high energy (high speed trauma with gross contamination)+4
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