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Acid Fast Bacteria

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Staphylococcus

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  1. Definition
    1. Derived from Staphyle (Greek for bunch of grapes)
  2. Characteristics
    1. Gram Positive Cocci
    2. Forms irregular clusters
    3. Facultative Anaerobe
    4. Beta hemolytic
    5. Non-spore forming
    6. Glucose fermentation
    7. Catalase positive
    8. Size: 0.7 to 1.2 microns
  3. Organisms
    1. Coagulase-Positive Organisms
      1. Staphylococcus aureus
    2. Coagulase-Negative Organisms
      1. Staphylococcus epidermidis (IV catheter infections)
      2. Staphylococcus saprophyticus (UTI in women)

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