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Mean corpuscular hemoglobin

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Title: Mean corpuscular hemoglobin  
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Subject: Mean corpuscular hemoglobin concentration, Complete blood count, MCH, Alpha-thalassemia, Ristocetin-induced platelet aggregation
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Mean corpuscular hemoglobin

The mean corpuscular hemoglobin (MCH), or "mean cell hemoglobin" (MCH), is the average mass of hemoglobin per red blood cell in a sample of blood. It is reported as part of a standard complete blood count. MCH value is diminished in hypochromic anemias.[1]

It is calculated by dividing the total mass of hemoglobin by the number of red blood cells in a volume of blood.

MCH=(Hgb*10)/RBC [2]

A normal value in humans is 27 to 31 picograms/cell.[1] Conversion to SI-units: 1 pg of hemoglobin = 0.06207 femtomol.[3] Normal value converted to SI-units: 1.68 - 1.92 fmol/cell.

Contents

  • See also 1
  • Worked example 2
  • References 3
  • External links 4

See also

Worked example

Measure Units Conventional units Conversion
Hct 40%
Hb 100 grams/liter 10 grams/deciliter (deci- is 10−1)
RBC 5E+12 cells/liter 5E+6 cells/μL (micro is 10−6)
MCV = Hct / RBC 8E-14 liters/cell 80 femtoliters/cell (femto- is 10−15)
MCH = Hb / RBC 2E-11 grams/cell 20 picograms/cell (pico- is 10−12)
MCHC = MCH / MCV 250 grams/liter 25 grams/deciliter (deci is 10−1)

References

  1. ^ a b "MedlinePlus Medical Encyclopedia: RBC indices". Retrieved 2009-03-03. 
  2. ^ "Mean Cell Hemoglobin". Retrieved 2009-03-03. 
  3. ^ Praktikum der Hundeklinik (10 ed.). 2006. p. 102.  

External links

  • FP Notebook
  • Cornell
  • Medline

RBS are also found in human batter then wbc

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