0 x! M' r, R0 u* _1) / K6 c4 p9 D! n; ]$ H% R# i- w; o. X9 L5 uhttp://www.webmd.com/a-to-z-guides/c-reactive-protein-crp, s; t* P) Q( f( l8 z% C; R
。。。。。。 y" ?! V* ^- y1 g3 u1 hA 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. % y# A1 Q7 C# Q( |( G' Y2 | u5 t3 ^
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. 0 E5 n: F/ Z; ~# V# z6 b6 ]! B+ }1 }
Why It Is Done : H5 A3 g, P5 x7 V4 u' N$ O6 v0 E, i, v# B1 N
A C-reactive protein (CRP) test is done to: 4 V0 {8 I' B5 a* P; `4 N& A
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: # g; @% d, h- T$ v$ W9 V& oCancer of the lymph nodes (lymphoma).$ o) ?+ t, d0 j" T/ k1 X6 [7 z
Diseases of the immune system, such as lupus.; p7 I- n! A3 S5 W' V6 v2 a
Painful swelling of the blood vessels in the head and neck (giant cell arteritis). - o! ?6 X5 L( t- u' rPainful swelling of the tissues that line the joints (rheumatoid arthritis). . M. F, r }$ c$ [% `, u. \Swelling and bleeding of the intestines (inflammatory bowel disease).) d6 T, F, @2 s6 n9 w( S+ k) @
Infection of a bone (osteomyelitis).6 ]7 u( ?% H6 D% w( e8 z
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