skin infections

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  1. Folliculitis
    S. aureus (most common). pseudomonas aeruginosa (less common).
  2. Furuncles and Carbuncles
    S. aureus (most common). S. pyogenes (second most common).
  3. Erysipelas
    S. pyogenes (most common). S. agalactiae or S. aureus (less common).
  4. Impetigo
    S. aureus and S. Pyogenes (non-bullous form). S. aureus (less common).
  5. Cellulitis
    S. pyogenes and S. aureus
  6. Necrotizing infections
    S. pyogenes (type II Necrotizing Fasciitis). Clostridium perfringens (clostridial myonecrosis)
  7. Diabetic Foot Infections
    There are an average of 2 to 6 microorganisms cultured from diabetic foot ulcers; the organisms typically include a combination of aerobic Gram-positives (s. aureus, streptococci, enterococci), aerobic Gram-negatives (including Pseudomonas spp.), and anaerobes, especially B. fragilis.
  8. Bite Wounds
    Most common for animal bites is Pasturella multocida, an aerobic Gram-negative rod. Other organisms include steptococci, staphylococci, Moraxella spp., and Neisseria spp. Human bites are normal oral flora including Streptococcus spp. (especially viridans streptococci and S. pyogenes), S. aureus, Eikenella corrodens, and anaerobes.
  9. Inhibition of Bacterial Cell Wall Synthesis
    • B-lactums
    • Vancomycin
    • Telavancin
  10. Inhibition of DNA synthesis
    • Fluoroquinolones
    • Daptomycin
  11. Inhibition of Protein synthesis
    • Aminoglycosides
    • Linezolid
    • Clindamycin
    • Tetracyclines and glycylcyclines
    • Mupirocin
    • Retapamulin
  12. Inhibition of Folic Acid Biosynthesis
    • Sulfonamides
    • Trimethoprim
  13. Hematogenous OM
    • S. aureus (most common)
    • S. epidermidis (Patients with prostheses)
    • P. aeruginosa (IV drug users or patients who step on a nail in wet grass)
  14. Contiguous OM
    • S. aureus
    • S. epidermis
    • P. aeruginosa
    • E. coli
    • Anaerobes
  15. Infectious Arthritis
    • N. gonorrhoeae
    • S. aureus
Card Set:
skin infections
2012-02-27 05:10:59

IP 7
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