Orphee mythic 22 - Analysis of Platelets

REF : M22/UM/EN/014
8. TECHNOLOGY
MYTHIC 22
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8.4 ANALYSIS OF PLATELETS
Platelets analysis is made by impedance in the RBC counting chamber at the same time with red blood cells.
Four parameters are obtained:
Parameters
Pathologies (adjustment section 3.4.4.1)
PLT
Platelets
Thrombopenia : PLT<PLT b
Thrombocytosis : PLT>PLT h
MPV
Mean Platelet Volume
Giant platelets : MPV> MPV h
PDW
Platelet Distribution Width
PCT
Thrombocrit
PLCR
Platelet Large Cell Ratio
The analysis of the platelets distribution curve allows measuring the Mean Platelet Volume (MPV) and the
Platelet Distribution Width (PDW).
Thrombocrit (PCT) is made from PLT and MPV by formula below:
PCT = PLT ● MPV
10000
The PLCR indicates the percentage of large platelets with a volume >12 fl. Aside from the two flexible
discriminators which delimit the volume distribution curve, there is additionally a fixed discriminator at 12 fl
(marked in red on below picture). The PLCR is the percentage of cells higher than 12fl regarding the whole
platelets count.