-
Normal skin flora- Bacteria
- Staphylococci
- Corynebacteria
- Propionibacteria
- Streptococci
- Clostridium perfringens
-
Normal skin flora- Yeast
- Candida
- M. furfur
- Torulopsis glabrata
-
Normal oral flora- Aerobes
- Streptococci (viridans group)
- Actinomyces israelii
- Neisseria
- Haemophilus
-
Normal oral flora- Anaerobes
- Peptostreptococcus
- Lactobacilli
- Fusobacterium
-
Herpes simplex
Vesicles on an erythematous base
-
Herpes zoster
Vesicles on an erythematous base
-
Pox virus
- Varicella
- Showers of lesions
- Lesions in all stages
- Little papules
- All stages at the same time (clue to diagnosis)
-
Coxsackie virus
- Herpangina
- Hand/foot/mouth disease
-
Viral exanthema
- Skin rashes that follow viremias, usually accompanied by fever.
- Measles, rubella, roseola, fifth disease
-
Bite Infections: early infection
Pasteurella multocida
-
Bite infections: late infection
- Staphylococcus spp.
- Streptococcus spp.
-
Bite infections: implicated
- Capnocytophaga canimorsus (cats/dogs)
- Eikenella corrodens (humans)
-
Bite infections: rare causes
- Haemophilus spp.
- Pseudomonas spp.
-
Propionibacterium
Secretes low molecular weight peptide that attracts neutrophils, creating acne.
-
Mastitis
- Common postpartum infection
- Staphylococcus aureus (most common) MSSA and MRSA
- Group A or Group B Streptococci
- E. coli
- Bacteroides
- Coagulase negative Staphylococci
-
Impetigo
- Staph infection on top of the lesion can look like herpes or secondary herpes, difficult to separate out.
- Treat for both strep and staph.
-
Classic impetigo
Group A Streptococcus
-
Bullous impetigo
- Staphylococcus aureus
- "Honey crust"
-
Cellulitis
- Group A streptococcus
- Staph aureus (rare)
-
Rare causes of cellulitis and abscesses
-
-
Osteomyelitis
- Usually long bones
- Usually Staphylococcus aureus, any organism possible
- Infection by hematogenous spread from cutaneous site
- Specific diagnosis required for treatment
-
Osteomyelitis of children
- Kingella kingae (Gram negative rod)
- Femur, talus, or calcaneus
-
Staph aureus infection
- Boils
- Furuncles
- Abscesses
- *need to know if methicillin resistant or methicillin sensitive
|
|
