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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.& Y, _6 h, Q2 V, d9 v+ z* m' O
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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. 1 t" i( V+ K' p$ R- d9 G; \/ I- B" K& T4 J: F
Why It Is Done 4 F0 W0 j; q3 m' j7 u; G6 d " V/ v1 ]0 ~- I) M2 \A C-reactive protein (CRP) test is done to:' E |& G) |0 t# Z/ X5 J
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: : `# O2 F! N, J" @" @Cancer of the lymph nodes (lymphoma).6 i D" z$ V7 |
Diseases of the immune system, such as lupus. l8 W" r7 Z- T0 t: cPainful swelling of the blood vessels in the head and neck (giant cell arteritis). 2 Q0 ~2 h2 j$ W2 ~9 o$ f% V3 JPainful swelling of the tissues that line the joints (rheumatoid arthritis). ( {8 ^* @2 z8 a* S' ~5 tSwelling and bleeding of the intestines (inflammatory bowel disease)., Z) C8 \# L$ J; L1 M+ q1 W& |
Infection of a bone (osteomyelitis).0 U7 L( i. v: h, `
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C-反应蛋白(CRP )检测是一种血液检测,用来测量你的血液中一种被称为C -反应蛋白的蛋白质的数量。C-反应蛋白测量你的身体内部炎症的总体水平。 ( A% ]* v0 i8 L3 o9 W 7 U4 V6 [# G6 Y2 q) T高水平的C-反应蛋白是由感染和许多长期的疾病引起的。但C-反应蛋白检测既不能显示出炎症所在位置也不能确定是什么原因造成的。还需要其它的检测来找出炎症的原因和炎症的位置。6 o, |+ p6 ^' Q, f6 n