( f3 g( b r3 R& O, l+ V2 \4 Q1) 4 u' t5 K% E" \. E0 y' N) Chttp://www.webmd.com/a-to-z-guides/c-reactive-protein-crp . L7 y( _1 [* A* J0 c2 J。。。。。。 7 ~0 [" D) c4 l, 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.# s+ L* S! O5 i5 k0 S& ^6 H
8 _$ L1 C$ j! C! @* a c# v6 ~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. . D; C3 u$ Q2 Q; a2 d% `* f% F2 Y8 \+ X, L& a* B
Why It Is Done+ C8 k9 L M# K/ |
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A C-reactive protein (CRP) test is done to: : n4 p! E2 a2 ~) K
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: : t5 z1 [3 l; J$ W5 zCancer of the lymph nodes (lymphoma).0 ?: B( F7 S, \4 ]0 ?
Diseases of the immune system, such as lupus.- p6 x5 l0 O4 p3 s7 V1 d
Painful swelling of the blood vessels in the head and neck (giant cell arteritis)." H0 A0 ^) v% u; {4 G: W
Painful swelling of the tissues that line the joints (rheumatoid arthritis). G. y ~/ H, `9 S2 r2 U/ h
Swelling and bleeding of the intestines (inflammatory bowel disease).: Q1 L5 g8 v- j$ Z
Infection of a bone (osteomyelitis). |. D( o2 U R# z' N( E, ?
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