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This page (revision-13) was last changed on 11-Jan-2013 13:30 by 1614216108

This page was created on 09-Apr-2012 10:56 by 1614216108

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  中文名称:尿糖定性\\
  中文名称:尿糖定性试验\\
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标本采集:一般留取中间段的尿液标本(即中段尿)。留尿方式可分为晨尿(包括首次晨尿和二次晨尿)和随机尿两种。理想情况下,为了达到筛查、检出分析物和有意义的有形成分的目的,应收集浓缩尿液。一般要求住院病人留取首次晨尿;门诊、急诊患者可留取晨尿或随机尿。尿量:10~15 ml,约留样杯50ml半杯左右。尿标本须洁净,应避免异物的混入。男性一般要求避免精液、前列腺液的污染(特殊情况除外),女性最好冲洗外阴后再留取中段尿。如医生有特殊要求,可按医嘱留取标本。\\
标本采集:尿葡萄糖测定应留取随机尿或定时新鲜尿标本了,尿容器务必清洁,不得污染过氧化氢、次氯酸盐等强氧化清洁剂。\\
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标本运送:尿液留样杯上需粘贴患者标识号,该标识号可以是条形码,也可以是申请单的联号。如果是条形码应包含患者姓名、检验目的、标本类型、标本采集日期等信息。\\
标本运送:收集好标本后应及时送检。若确实不能及时送检,可将尿液置于冰箱内冷藏,可用甲苯或二甲苯防腐,不可用氟化钠防腐,氟化钠可引起假阴性。
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%%tab-注意事项
1.Benedict法要求标本必须新鲜,收到后应立即检验。试验中特别须注意试剂与尿量的比例,尿中有蛋白质可干扰检测,假阳性可见于尿标本中存在水杨酸、维生素C、阿司匹林、大量青霉素等。\\
2.试带法最常造成假阴性的是维生素C,故患者在尿糖测定前至少停用维生素C小时。试带必须按制造商要求进行保存和使用。盛尿液的容器使用强氧化清洁剂可致假阳性;用氟化钠防腐可引起假阴性。尿液比重高使显色结果颜色减弱。为保证适宜的酶反应,尿液应保存在室温。 \\
3.同时测定尿糖和血糖,比单独测定尿糖或血糖更有意义。
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Version Date Modified Size Author Changes ... Change note
13 11-Jan-2013 13:30 1.842 kB 1614216108 to previous
12 07-Jan-2013 11:26 1.751 kB 1614216108 to previous | to last
11 06-Dec-2012 13:10 2.005 kB 1614216108 to previous | to last 尿常规化学分析 ==> 尿液自动化分析
10 06-Dec-2012 13:10 2.005 kB Administrator to previous | to last
9 03-Dec-2012 14:44 2.004 kB Administrator to previous | to last 尿糖定性 ==> 尿糖定性试验
8 03-Dec-2012 14:22 2.004 kB 1614216108 to previous | to last 尿液葡萄糖测定 ==> 尿葡萄糖测定
7 09-May-2012 10:34 2.005 kB 1614216108 to previous | to last
6 09-May-2012 10:33 2.006 kB 1614216108 to previous | to last
5 07-May-2012 10:47 2.002 kB 1614216108 to previous | to last
4 03-May-2012 12:28 2.012 kB 1614216108 to previous | to last
3 23-Apr-2012 15:28 1.992 kB 1614216108 to previous | to last
2 13-Apr-2012 17:01 2.045 kB 1614216108 to previous | to last
1 09-Apr-2012 10:56 2.069 kB 1614216108 to last
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