* A) e, i* k5 w$ [0 D1) 6 B1 r' `+ N; }' ^ http://www.webmd.com/a-to-z-guides/c-reactive-protein-crp$ O. X+ E% Y& S2 {/ r3 ?9 D. c/ G$ q0 F
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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. 8 n' N' ?" v8 I) j- |! ~* m( H. q7 v% L) F7 r/ V
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. 4 S% t6 ]! J$ X* r8 U H" |+ g! w# u9 p, e3 H( h' ~2 y
Why It Is Done" }4 P& B9 N* J% O% h
4 H3 R* _8 u% q1 {A C-reactive protein (CRP) test is done to: - [+ ?5 h6 ]1 r' k( g' y
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: " }5 W. e+ v2 a+ CCancer of the lymph nodes (lymphoma). & i7 C4 y: H1 u8 K5 b. MDiseases of the immune system, such as lupus. E0 f6 G0 V' BPainful swelling of the blood vessels in the head and neck (giant cell arteritis). * O+ P! d4 \ vPainful swelling of the tissues that line the joints (rheumatoid arthritis).0 S8 r" t% Z ~
Swelling and bleeding of the intestines (inflammatory bowel disease). . l4 G4 C+ y. I" GInfection of a bone (osteomyelitis). % `) O- c3 h- N! O
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