% k6 n/ C/ _/ B! _' p9 H6 O- P1) 3 c6 _( Y1 o' h k/ i0 Phttp://www.webmd.com/a-to-z-guides/c-reactive-protein-crp 8 D, ?0 o5 k9 B/ O6 k( u。。。。。。 , v/ P( Y2 q& i5 {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. 0 w* \+ G3 k/ a & G% S! w* _/ o! i0 |& @) I: pHigh 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.% Z0 G# a- ~/ \. p
; z' F: a( s: e; }5 _3 h2 M) jWhy It Is Done 1 @/ Y1 d! c# g + b# M: S# Q4 o( qA C-reactive protein (CRP) test is done to: 7 g& \7 c3 _5 W) u8 S7 s* O1 Y- _" N6 E
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:' o8 z9 G3 e1 x7 Q: f8 X/ ?
Cancer of the lymph nodes (lymphoma). ) C* B6 E. T3 uDiseases of the immune system, such as lupus. 4 M0 @' p8 i" x0 JPainful swelling of the blood vessels in the head and neck (giant cell arteritis). % A/ W; }$ f8 T9 ?0 l) t: GPainful swelling of the tissues that line the joints (rheumatoid arthritis). + N/ o) [# t/ g+ r8 y$ @( q0 c( f: aSwelling and bleeding of the intestines (inflammatory bowel disease). 5 V8 @3 U s, U' Y; S9 H1 s# SInfection of a bone (osteomyelitis).5 {# b) ~! E: g) |) Z2 W) c& \7 ?