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8 Cards in this Set

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  • Back
What are the 3 major pathogenic species of staphylococci?
Which is coagulase positive?
Staph aureus (coagulase positive), staph epidermidis, and staph saprophyticus
Generally describe the types of proteins that make staph aureus so destructive?
Proteins that disable immune defenses (ie Protein A), penicillinase, and proteins that tunnel through tissue (ie hyaluronidase). Exotoxins such as exfoliatin, enterotoxin, and toxic shock syndrome toxin.
What are the two groups of diseases staph aureus causes? List the individual diseases?
EXOTOXIN RELEASE – gastroenteritis, scalded skin syndrome, toxic shock syndrome
DIRECT ORGAN INVASION – pneumonia (community-acquired), meningitis, osteomyelitis, acute bacterial endocarditis, septic arthritis, skin infections, bacteremia/sepsis, UTI (come up with a pneumonic for this one!!)
Describe the clinical features of toxic shock syndrome?
Sudden onset of high fever, nausea, vomiting, and watery diarrhea. A few days later: diffuse erythematous rash. Later, desquamation of the palms and soles. May be associated with septic shock.
Scalded skin syndrome usually affects which demographic?
Neonates with local infection of the umbilicus or older children with skin infections.
What is MRSA? How is it treated?
Methicillin-resistant staph aureus. Treated with vancomycin.
Where can staph epidermidis be seen?
Hospitalized patients – infections of foley catheters, IVs, prostheses.
What are the two leading causes of UTIs in sexually active young women?
E coli and staph saprophyticus.