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How to look at A peripheral blood smear. Low Power. 1- Scan the slide under low power (10x) 2- Find a good area 3- Evaluate red cell distribution 4- Evaluate the white count 1 WBC = 1000-2000mm 3. Too thick area. Red cells appear as; microcyte hypochrome rouleaux. Too thick area.
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How to look at A peripheral blood smear
Low Power 1- Scan the slide under low power (10x) 2- Find a good area 3- Evaluate red cell distribution 4- Evaluate the white count 1 WBC = 1000-2000mm3
Too thick area Red cells appear as; • microcyte • hypochrome • rouleaux
Too thin Red cells appear as • macrocyte • spherocyte • poikilocyte
What are you looking for at a peripheral smear (Oil immersion) • Red cell morphology • Platelet number and morphology • WBC differential and morphology • Blood parasite
RBC MORPHOLOGY
Size Shape Color Inclusion Distribution
color Hb content & distribution