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Citrate Adjustment for Hematocrit

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Citrate Adjustment for Hematocrit. If patient hematocrit is greater than 55 ... 0.066 x 2.7ml = 0.178ml Na citrate in place of usual volume of 0.27ml ... – PowerPoint PPT presentation

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Title: Citrate Adjustment for Hematocrit


1
Citrate Adjustment for Hematocrit
  • If patient hematocrit is greater than 55, adjust
    citrate concentration in blue top collection
    tubes using the following formula
  • X (100-Hct)/(595-Hct)
  • then take value for X and
  • (X)(volume of tube) ml anticoagulant
  • Example
  • Hct 65 Blue tube volume 2.7ml
  • X (100-65)/(595-65) 35/530 0.066
  • 0.066 x 2.7ml 0.178ml Na citrate in place of
    usual volume of 0.27ml
  • See Appendix, NCCLS document H21-A4 (2003) for
    convenient to use table

Lab Pointer
Revised mmiiii
M Ledford-Kraemer
www.CLOT-ED.com
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