1 w% R; l' U5 h1 A4 Y+ L- f1) + H& K2 q- m1 Z( t) q) ? http://www.webmd.com/a-to-z-guides/c-reactive-protein-crp% \$ G N2 v5 J7 u5 q+ W
。。。。。。 / r2 g! y( W# S: u* KA C-reactive protein (CRP) test is a blood test that measures the amount of a protein called C-reactive protein in your blood. C-reactive protein measures general levels of inflammation in your body./ w' h1 S5 T- R
, Q! u# U% ?. Z7 ^
High levels of CRP are caused by infections and many long-term diseases. But a CRP test cannot show where the inflammation is located or what is causing it. Other tests are needed to find the cause and location of the inflammation.1 i. q4 r; |$ W* _1 ]* |: w
2 M$ ~- \3 d% dWhy It Is Done% z# o* V5 `9 E1 f5 N6 t3 c
s: K: k6 k2 r/ i# P/ E& t
A C-reactive protein (CRP) test is done to:& P7 O4 q: V7 V% `: R+ M: _
Check for infection after surgery. CRP levels normally rise within 2 to 6 hours of surgery and then go down by the third day after surgery. If CRP levels stay elevated 3 days after surgery, an infection may be present.
Identify and keep track of infections and diseases that cause inflammation, such as: $ z8 f/ D6 l+ l0 X) ]' N) E6 iCancer of the lymph nodes (lymphoma).- @7 b) l& n: |5 ~8 f
Diseases of the immune system, such as lupus. 7 A( w B4 t1 `) W3 IPainful swelling of the blood vessels in the head and neck (giant cell arteritis). ! @% v9 }5 |' m. r, e, FPainful swelling of the tissues that line the joints (rheumatoid arthritis).. w0 X v& ]. M8 ]: }- K$ p
Swelling and bleeding of the intestines (inflammatory bowel disease).4 n6 B! W! r2 t% W5 F5 t4 v4 h
Infection of a bone (osteomyelitis). / F; W3 p! U5 x