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47 Cards in this Set
- Front
- Back
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What is added to blood in tubes
Purple tubes Blue top tube - PT and PTT |
Purple - EDTA
Blue - contains citrate add calcium |
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CBC w/ differential contains what cell types?
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Neutrophil
Leukocytes Mast Eosinophil Basophil |
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What is MCV?
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Mean cell volume (fL) which measures blood cell volume. Higher voltage pulses for bigger cells
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T/F Hemoglobin is seen by spectoscopy
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True
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How do you calculate Hematocrit?
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Hct = MCV X RBC
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RBC counts # of _____
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voltage pulses
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Mean cell hemoglobin is calculated by?
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Hb/RBC (pg)
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Mean Cell Hemoglobin concentration
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Hb/Hct (gm/dL)
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What is RDW?
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Red cell width distribution. What does it indicate. distribution of the width of Red cell
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how does RDW change in?
Iron deficiencies Hemolytic anemia macrocytic anemia other anemias |
typically increases
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reticulocyte. Contain a lot of RNA; Ashlee stain
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what is cell called and they have a high _____
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reticulocytes with polychromasia and have a high MCV
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what kind of cell? morphology?
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neutrophil. cell is multinucleated; constriction point is useful for counting lobes
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ID
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Abnormal lymphocyte
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Automated testing uses _____ _____ or _____ _____ (what stains)?
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thiazole orange which is a fluorescent dye that binds RNA
or Methylene blue |
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Manual testing for reticulocytes is done with which stain?
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methylene blue
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T/F Automated Counting is primarily used for normal cells where no disease is suspected
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True
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ID cell at arrowtip. what is the other large cell down and left?
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Monocyte - has irregular nucleus and sometimes has cytoplasmic vacuole
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ID cell
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Eosinophil - big granuales and BILOBED nucleus
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ID cell in the middle
What other cells are present? |
Basophil - Dark blue granuales, uneven borders, nucleus not really visible
right = abnormal lymphocyte |
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What kind of cell
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Band cell
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What defect is happening here and what does it indicate?
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hypergranulation; a toxic change
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ID and describe
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Dohle bodies
Hypergranulaton and blue cytoplasmic inclusion at the border |
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ID and describe
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Pelger-Huet cells
neutrophil with 2 pieces in barbell shape can be malignant |
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What are these dots on these RBC
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platelets
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what are stuck to these neutrophils and what are the consequences of this in cell counting?
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platelets; falsely low platelet count
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What is found at the tip of the arrow
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parasite
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What is contained within these cells?
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bacterium
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What are these called and where are they found?
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Ehrlichia - found in neutrophils and monocytes
Not to be confused with Babesia and and Plasmodium which infect RBC |
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What do you call the condition of these cells?
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macrocytosis
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What is unusual about this cell?
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It is a hyperlobulated neutrophil associated with megaloblastic anemia
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ID condition
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microcytic anemia
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ID cell type
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Drepanocytes (sickle cell)
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ID cell type; what condition?
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shistocytes common in microangiopathic hemolytic anemia
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ID cells and what are they associated with?
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acanthocytes (spur cells); advanced liver disease, abetalipoproteinemia, severe malnutrition
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Type of cell; association
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Ovalocytes; hereditary ovalocytosis, iron deficiency and thalassemia
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what does this finding indicate? People with this are more susceptible to _____
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Halle Jolley bodies - little blue spot; NO spleen = susceptibility to encapsulated bacteria
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What are these crystals made of?
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Hb C
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what kind of cell and what kind of hemoglobin?
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target cells; HbSC
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What condition? what artifact
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Plasma cell dyscrasia with characteristic rouleaux
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Are these roleaux? If not what are they?
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no, red cell agglutment as a result of cold agglutinin syndrome
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ID cell and condition involved
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spherocyte; heriditary spherocytosis and autoimmune hemanemia
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ID cell
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lymphocyte
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Increased band counts can indicate _____
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infection
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T/F automated instruments can't count bands but know when there are too many
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True;
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What does absolute neutrophil count do?
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Machine counts total white cells x neutrophils
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What kind of patients are at risk of low ANC Count?
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cancer patients < 500 ul
pediatric patients <1000-1500 ul |
