3 V' g7 j. a7 E' z8 g1) " N8 v$ J! E2 Y2 Rhttp://www.webmd.com/a-to-z-guides/c-reactive-protein-crp 9 {! V! I. a6 \/ A g。。。。。。 / o- F, @( G& n V5 w% aA 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. ) X" e- `" j1 }( r! K1 r3 ~6 o1 m
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.; J6 e* U/ Z3 e' F2 @
8 x$ N) j+ c/ a( ] [! vWhy It Is Done 8 N( T7 k! \6 a6 p - J8 H* m1 k. x; D, W) aA C-reactive protein (CRP) test is done to: u2 ?( G; A) M6 I/ p5 o
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: ( T+ y! w% w; K# m" N. j3 T, A9 H, SCancer of the lymph nodes (lymphoma).5 z! S* \! m, A [2 B9 h
Diseases of the immune system, such as lupus.1 L% f; Y. P* p j7 V" N8 p6 V
Painful swelling of the blood vessels in the head and neck (giant cell arteritis). a. T5 X1 y- K- h3 @( g( kPainful swelling of the tissues that line the joints (rheumatoid arthritis).( B; k! k1 x0 B7 I1 O
Swelling and bleeding of the intestines (inflammatory bowel disease).2 m5 E: X8 s$ E# W/ q& k- s
Infection of a bone (osteomyelitis).% V0 a8 k: I4 ?! |9 `6 z