Laboratory Risk Indicator for Necrotizing Fasciitis

Q: All of the following is the part of LRINEC score except? 

 A) C-reactive protein 
B) Hemoglobin 
C) Glucose 
D) Potassium 
E) Creatinine 


Answer: D 

The LRINEC is a "Laboratory Risk Indicator for Necrotizing Fasciitis" score. It is a helpful tool for distinguishing necrotizing fasciitis from other soft tissue infections. An LRINEC Score of more than 6 was found to have a positive predictive value of 92% and a negative predictive value of 96%. 

Score calculator can be found online. 

It consists of 

• C-reactive protein 
• Hemoglobin 
• Glucose 
• Sodium 
• Creatinine, and 
• White Blood Cell (WBC) count

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Reference:

Wong CH, Khin LW, Heng KS, Tan KC, Low CO. The LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) score: a tool for distinguishing necrotizing fasciitis from other soft tissue infections. Crit Care Med. 2004; 32(7):1535-1541.