患者入院時沒有發燒、寒戰、不適、食欲不振。關節活動范圍大幅減小,可活動范圍內活動無疼痛感。看起來健康,體溫37.2°C。血液學檢查顯示白細胞計數19.2
x 109/L,中性粒細胞17.7 x
109/L,C-反應蛋白(CRP)水平151mg/L,1小時內紅細胞沉降率7mm。由于白細胞計數和CRP水平升高,于是進行血培養。
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