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11 Cards in this Set

  • Front
  • Back
Explain the Electronic Impedance Principle.
# of pulses = # of cells
size of pulse= size of the cell
List some factors affecting pulses.
-Lytic reagents
-aperture size
-Protein build-up
-Particle recirculation
-coincedence passage loss
Explain how sheath fluid works.
Hydrodynamic focusing-conditions the sample. It has different charges that will surround the sample allowing the cells to flow in one direction.
Explain the parameters affected and the needed correction for a patient with cold agglutinins.
RBC decreased
MCV and MCHC increased
Warm sample and run again
Explain the parameters affected and the needed correction for Lipemia or icterus.
Increased Hb and MCH
Plasma replacement??
Explain the parameters affected and the needed correction for resistant RBCs.
Increase WBC and decrease Hb.
Manual dilution
Explain the parameters affected and the needed correction for microcytes and schistocytes.
Decreased RBC and increased PLT
Review smear
Explain the parameters affected and the needed correction for NRBCs
Increased WBC
Manual NRBC count, WBC corrections
Explain the parameters affected and the needed correction for PLT clumps
decreased PLT and increased WBC
recollect in a blue top
Explain the parameters affected and the needed correction for WBC>100x10^9
Spuncrit, manual Hb, correct RBC and Indicies
Explain the parameters affected and the needed correction for an old sample.
Increased MCV, MPV, decreased PLT
Recollect