Skin & Soft Tissue Infections Flashcards
(25 cards)
What is the first line of defense?
Intact Skin
What is the classic presentation? (4)
Red, Heat, Tumor, Pain
What is Folliculitis?
Minor infection with sweat gland activity
What microbs cause Folliculitis?
Staph aureus
Pseudomonas aeruginosa
How does acne form?
From Propionibacterium trapped in sebaceous glands
What is the difference between Furuncle and Carbuncle
Carbuncle is multiloculated abscess and a furuncle is generally one hair follicle (a boil so to say)
What can cause Necrotizing Fasciitis? (4)
Group A Strep (Staph aureus
Polymicrobial
Fourniers gangrene
Clostridium perfringens
What is the most common pathogen for skin/ surgical wounds?
Staph aureus
What are the 3 fungal infections caused by which generas?
Trichophyton
Microssporum
Epidermophyton
What is the most common yeast infection?
Candida albicans
What does the Alpha-toxin of staph do?
Staph scalded skin syndrome
What does the Exfoliatin toxin of Staph do?
bullous impetigo
What does the TSST-1 do?
Staph toxic shock syndrome
What does the Enterotoxin do?
Staphylococcal food poisoning
What does MRSA have to prevent penacillin?
the mecA gene which allows to resist all Beta-lactams
PBP
How do you treat MRSA
vancomycin, doxycycline, linezolid
Clostridium perfringens
GPR
Anaerobic
Spore forming
Pasteurella multocida
GNR
Animal Bites
Pseudomonas aeruginosa
GNR
(hot tub folliculitis)
also secondary infection after burns
Vibrio vulnificus
GNR
associated w/ iron overload
What causes Mycetoma
Madura foot
Bacterial- Actinomyces, Nocardia
what casues Sporotrichosis
Sporothrix schenckii
think Rose gardener’s thumb
Thrush
Intertrigo
diaper rash
are all fungi related
How do you get a microbiologic diagnosis?
Pus
Biopsies (eh they ight)
Blood cultures
