Staphylococcus saprophyticus

Cards (25)

  • What is Staphylococcus saprophyticus associated with?
    UTIs in sexually active young women
    •Also associated with: endocarditis, bacteremia, meningitis, peritonitis.
  • What is the treatment for UTIs caused by Staphylococcus saprophyticus?
    Quinolone or trimethoprim-sulfamethoxazole
  • Which organism is discussed in this section?
    Staphylococcus saprophyticus
  • What does the purple shirt of the girl symbolize?
    Staphylococcus saprophyticus is gram-positive
  • What shape do staphylococci bacteria have?
    Cocci shaped
  • What is unique about the morphology of staphylococci?
    They form clusters
  • What does the girl's frightened expression represent?
    Common cause of urinary tract infections
  • Who is primarily affected by staphylococcus saprophyticus?
    Sexually active women
  • What does the bison in the image represent?
    Staphylococcus saprophyticus is novobiocin resistant
  • What indicates novobiocin resistance in the lab test?
    No clearing around the disk
  • What does the cat in the image symbolize?
    Staphylococcus saprophyticus is catalase positive
  • What does the presence of bubbles in the catalase test indicate?
    Organism is catalase positive
  • What does the cat urinating represent in the context of staphylococcus saprophyticus?
    It is urease positive
  • What does the pink color in the urease test indicate?
    Organism is urease positive
  • What do the flowers covered in urine represent?
    Normal flora of the female genital tract
  • What is a common empirical treatment for uncomplicated UTIs?
    Nitrofurantoin
  • What does "free toes" sound like in relation to treatment?
    Nitrofurantoin
  • What do meth crystals in the sap represent?
    Trimethoprim-sulfamethoxazole
  • Which two lab tests are helpful in distinguishing staphylococcus saprophyticus?
    Coagulase test and novobiocin test
  • Why is the coagulase test important for staphylococcus identification?
    It differentiates coagulase positive and negative
  • How does novobiocin sensitivity differ between staphylococcus species?
    Staphylococcus epidermidis is sensitive, saprophyticus is resistant
  • What are the key characteristics of staphylococcus saprophyticus?
    • Gram-positive cocci
    • Catalase positive
    • Urease positive
    • Novobiocin resistant
    • Common cause of UTIs in sexually active women
  • What are the first-line treatments for uncomplicated UTIs caused by staphylococcus saprophyticus?
    • Nitrofurantoin
    • Trimethoprim-sulfamethoxazole (TMP-SMX)
  • How do staphylococcus saprophyticus and staphylococcus epidermidis differ in lab tests?
    • Both are catalase positive
    • Staphylococcus saprophyticus: coagulase negative, novobiocin resistant
    • Staphylococcus epidermidis: coagulase negative, novobiocin sensitive
  • What are the lab tests used to distinguish staphylococcus species?
    1. Coagulase test
    2. Novobiocin test
    3. Catalase test
    4. Urease test