5 x7 [' u9 k7 a3 c1) ! N+ r; b! x& r& ~' Ahttp://www.webmd.com/a-to-z-guides/c-reactive-protein-crp 0 S0 Q! J0 k5 `+ B, ~; d。。。。。。& W' M% v# w7 L$ l4 Z" h
A 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. $ C) H! S( [. p7 U3 ~: _ $ K, T8 @7 p9 N8 A1 a4 W( _9 R* o/ XHigh 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. 3 n# Q+ J! f+ S; N! } " u* y( N3 {. e! ZWhy It Is Done 8 F$ _* d" T# e$ f8 @ " {+ H5 o7 x+ X/ kA C-reactive protein (CRP) test is done to: 7 F9 i9 Y0 Z; P3 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:$ |2 }: e4 d/ K" n
Cancer of the lymph nodes (lymphoma). 8 m0 ^2 D& E8 }& M1 @- n) sDiseases of the immune system, such as lupus.% O* `. J O! p! R( e1 W
Painful swelling of the blood vessels in the head and neck (giant cell arteritis)./ Z( X, s1 U) z8 x& V+ p
Painful swelling of the tissues that line the joints (rheumatoid arthritis). . {% s3 q- `2 N, T. ?7 qSwelling and bleeding of the intestines (inflammatory bowel disease).- y3 `* M, v8 ^# u1 R: ]" P
Infection of a bone (osteomyelitis). % D- k5 b7 h: p. C% e