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血尿是小儿疾病的常见症状。尿中含红细胞量较多时,直接用眼睛能看出来,称肉眼血尿。尿中红细胞量少时,需通过显微镜检查才能发现,称为镜检血尿。镜下血尿的检查方法和诊断标准目前尚未统一。常用的有:取混匀尿液15毫升,离心(2,000转/分,连续5分钟)沉淀后取沉渣一滴涂片在高倍镜下计数,每高倍视野红细胞数>3者为血尿。另外的方法是取混匀不经沉淀的新鲜尿(留尿后2小时内)液一滴置血
Hematuria is a common symptom of pediatric disease. More urine containing red blood cells, the direct use of the eyes can be seen, said gross hematuria. When the amount of red blood cells in urine is small, microscopic examination can be found, called microscopic hematuria. Microscopic examination of hematuria and diagnostic criteria have not yet been unified. Commonly used are: take mixed urine 15 ml, centrifuged (2,000 rev / min, for 5 minutes) sediment sediment after taking a drop of smear under high magnification count, per high power field red blood cell count> 3 were hematuria. Another method is to take a mixture of fresh urine without precipitation (within 2 hours after urination) a drop of blood