Page 228 - Clinical Hematology_ Theory _ Procedures ( PDFDrive )

212 PART 3 ■ Hematology Laboratory Assessments

m m m - Red Blood Cell Indices

x , %

m m m m . T m m

P m m m m m - z m .

m , . T - T

C m m mm . R . Mean corpuscular colume MCV

m m m m m . Mean corpuscular hemoglobin MCH

m m . . Mean corpuscular hemoglobin concentration MCHC

MCV, MCH, MCHC
NOTE: This is a good time to review the de nition of the Key m -

Terms in the Glossary and ash cards on . It is also m m x . F

a good time to complete Review Questions related to the x m , m , m

preceding content. m m m

m m m m

m . I m x m m
Manual Erythrocyte Count m m

R C C M m .

, m - T MCV x m

m m q . m , MCH MCHC m ,

I , m . T MCH MCHC

. B m m q

x m ( m m

m ), m .

. H , m k k -

, m m Mean Corpuscular Volum e

m T MCV x z m -

. T RBC m . T m

m z % (CV) m m m m
(
m % m m . MCV = P ’ k m m L/ L ) = L

Calculation: E (× / L)

N . RBC = RBC q × -

× m Example: I ’ m %, . L/L,

. q -mm q . . × /L, MCV -

. T m . m :

. T m . T m - . L/ L

−

m q m MCV = = . × = . L

. µL. T m . ×
( . µL) m ( . /µL). a O m ( L) = − L = m m (µm )

Example: I m RBC , R ( ) MCV L

RBC Clinical Conditions:

× × = . × /L T MCV m -

A m m , , m z . E MCV

× . T RBC × m m m m

, = , , × /L. m . L

Sources o Error: MCV m , -

I m m z m , m mm -

, , m m , / m .

m m . Sources o Error:

Re erence Ranges: A

N m m m m m

. . MCV. M m z MCV -

V L, x m m ,

. A RBC m H . I , m

m , m , m - ( m / L) m m -

, k m . A , MCV.

RBC m . L k m MCV .