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tutaibabu

Total Posts: 11



Posted: Thu Jan 31, 2008 03:10 pm

The Mentzer index is used to differentiate iron deficiency anemia from beta thalassemia. It is calculated from the results of a complete blood count. If the quotient of the mean corpuscular volume divided by the red blood cell count is less than 13, thalassemia is more likely. If the result is greater than 14, then iron-deficiency anemia is more likely.
RABIES

Total Posts: 42



Posted: Thu Jan 31, 2008 10:24 pm

the mentzer index is calculated by this formula
MCV/RBC COUNT. A RATIO BELOW 13 FAVOURS THALESSEMIA OVER IRON DEFICIENCY ANEMIA.Basically in iron deficiency, the marrow can�t produce RBCs and they�re small so the RBC count will be low along with the MCV. In thalassemia, RBC production is preserved, though the cells are small and fragile. So the RBC count is normal with a low MCV.





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RABIES

Total Posts: 42



Posted: Thu Jan 31, 2008 10:28 pm

the mentzer index is calculated by this formula
MCV/RBC COUNT. A RATIO BELOW 13 FAVOURS THALESSEMIA OVER IRON DEFICIENCY ANEMIA.Basically in iron deficiency, the marrow can�t produce RBCs and they�re small so the RBC count will be low along with the MCV. In thalassemia, RBC production is preserved, though the cells are small and fragile. So the RBC count is normal with a low MCV.





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superbdoc

Total Posts: 273



Posted: Sat Oct 11, 2008 02:35 am

* MCHC = Hb/Hct
* MCH = Hb/RBC
* RDW (CV)% = 1SD/MCV x 100%
superbdoc

Total Posts: 273



Posted: Sat Oct 11, 2008 02:36 am

RDW = Red cell distribution width = (One Standard deviation of red cell volume mean cell volume) x 100

Reported as a %.

The normal value for RDW (CV) is 11% - 14.5%.
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