Download - Hematology Automation
Transcript
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HEMATOLOGY AUTOMATION
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Principles of Automated Cell Counts
Electronic Impedance
Optical Scatter
Radiofrequency
Flow Cytometry
Hydrodynamic Focusing
Laminar Flow
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Electronic Impedance
Changes in electrical resistance between two electrodes as cells pass through a sensing aperture
Voltage changes
Low voltage direct current resistance
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Electronic Impedance
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Radiofrequency
High voltage electromagnetic current
Measurable changes in RF signal proportional to cell interior density or conductivity
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Optical Scatter
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Manufacturers
Beckman Coulter
Sysmex
Abbott
Siemens
ABX
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Machine Principles
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Histograms
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Histograms
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Histograms
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Scattergram
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Troubleshooting
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Troubleshooting
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Quality Assurance
Preanalytic, Analytic and Postanalytic
Quality Control- internal and external
Statistical QC