; V) G$ A4 H _1) " J/ V+ V% |: A G- whttp://www.webmd.com/a-to-z-guides/c-reactive-protein-crp0 }: w! P( y' i
。。。。。。( X7 \. D1 G I: \
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. ; P ~1 b, E3 {3 d2 y' M K- \& G
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.' n6 Z2 k0 r8 O* ]. ~
M/ x6 Y- j) r' c$ u9 Q q, i# CWhy It Is Done5 f/ m8 D8 T% B7 v- y9 a
1 T+ O. v5 J4 ?6 P9 K3 z# LA C-reactive protein (CRP) test is done to:! B& b8 H" u) P; a2 {& d
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: 6 ~9 B' ]6 q b# x% U7 g" e( m; gCancer of the lymph nodes (lymphoma).% Y; |. F ]3 x5 y5 S( O$ ~3 N) c
Diseases of the immune system, such as lupus.4 [) a, e U4 e
Painful swelling of the blood vessels in the head and neck (giant cell arteritis).( C2 U6 M" I8 K' J
Painful swelling of the tissues that line the joints (rheumatoid arthritis). : p+ s6 T! ]- V8 nSwelling and bleeding of the intestines (inflammatory bowel disease). , [, c$ S4 }4 f: H7 Y+ h: yInfection of a bone (osteomyelitis).7 C# M, X1 T) m/ d! {2 K, W