
Methods
8-49
•
Large platelets are also identified on the RBC Scatter cytogram (area 3
below) based on their refractive index values (1.35 to 1.40) and a volume less
than 60 fL.
The Platelet VOL histogram contains platelets and large platelets with volumes up
to 60 fL.
x axis (
A
) high-angle (5° to
15°) light scatter
y axis (
B
) low-angle (2° to
3°) light scatter
•
Area covered by the
PLT Scatter
Cytogram
•
RBC fragments
•
Large platelets
•
RBCs
•
RBC ghosts
Calculating RBC Parameters
Reported Parameters
Parameter Explanation
RBC
Number of Red Cells x RBC Cal Factor x Dilution
Factor x Coincidence-correction Factor
MCV
Mean of RBC Volume histogram
RDW
100 x (SD of RBC Volume histogram
÷
MCV)
CHCM
Mean of RBC HC histogram
HDW
SD of RBC HC histogram
Summary of Contents for ADVIA 2120
Page 1: ...ADVIA 2120 2120i Hematology Systems Operator s Guide 067D0157 01 Rev 201 0 ...
Page 30: ...1 26 Welcome to the ADVIA 2120 2120i Hematology System ...
Page 46: ...3 12 Daily Routine ...
Page 171: ...7 2 Status Line messages T 93 U 94 V 96 W 98 X 99 Y 99 Z 99 ...
Page 269: ...7 100 Status Line messages ...
Page 341: ...8 72 Methods ...