Flashcards in Staph and Strep Deck (115)
Describe the physical structure of Staphylococci?
G+ cocci in clusters
What is the catalase sensitivity of Staphylococci?
How does Staphylococci feel about salt?
Tolerant, grow up to 9%
What two factors are used to differentiate Staphylococci?
Clinical presentations of Staphylococcus Aureus caused mainly by bacterial growth?
How are furuncles walled off?
What is Staphylococcus Aureus folliculitis associated with?
Contact with Fomite
Complication of Acne
Primary cause of acne?
What is non-bullus impetigo?
Infection is the superficial epidermis
Most Common Bacterial Skin Disease
Who usually gets non-bullus impetigo?
Children and Teens
Two most frequent causes of non-bullus impetigo?
Strep -- Group A
Staphylococcus Aureus bacteremis/wound infection is a major concern in...
Esp. deep incisions that go into muscle, or organ space
Clinical presentations of Staphylococcus Aureus typically associated with exotoxin release.
What is Bullous exfoliation?
Staphylococcal scalded skin syndrome
Intraepidermal splitting and peeling of top layers
Who gets bullous exfoliation?
Prognosis of Staphylococcus Aureus bullous exfoliation in kids? adults?
Kids -- Good Prognosis
Adults -- Bad -- Indicates Bacteremia
What is Staphylococcus Aureus bullous impetigo?
Fluid filled blisters within the epidermis
Who gets Staphylococcus Aureus bullous impetigo?
Kids under 2 years old
Cause of Staphylococcus Aureus bullous impetigo?
What is a Staphylococcus Aureus bully?
A fluid filled blister in the epidermis
Clinical presentation of Toxic Shock Syndrome?
Abrupt onset fever
Rash with desquamination
Two types of Toxic Shock Syndrome?
Menstrual and Nonmen (M&F-often nosocomial)
Cause of Toxic Shock Syndrome?
TSST triggers immune rxn
Clinical presentation of Staphylococcus Aureus food poisoning?
Violent Nausea, Vomiting, Diarrhea
VERY quick (gone within 24)
Food poisoning in which you see more vomiting than diarrhea? (3)
Why is there a different presentation of Toxic Shock and Food Poisoning.
You have lots of Tregs in the gut and few in the bloodstream
Typical clinical presentation of Staphylococcus epidermis?
Nosocomial Infections, esp. in surgery
Typical clinical presentation of Staphylococcus saprophyticus?
UTI in young women
(Has specific adhesion for UT epithelia)
Menstrual TSS is associated with...