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8 Cards in this Set

  • Front
  • Back
Name the 4 pathogenic mechanisms for skin infections
a) Direct bacterial invasion
b) Hematogenous spread
c) Toxigenic
d) Hypersensitivity rxns (immune complexes)
Name the 5 kinds of superficial/shallow skin infections
1) Impetigo
2) Ecthyma
3) Folliculitis
4) Furuncles/carbuncles
5) Paronychia
Name 5 kinds of deep skin infections
1) Cellulitis
2) Lymphangitis
3) Traumatic infections
4) Progressive, severe
5) Erysipelas
Etiologic agent/s and tx for impetigo
-Strep pyo
-Staph aureus (bullous impetigo)
-Tx: Topical management
Etiologic agent and tx for erysipelas
-Strep pyo
-Tx: Parenteral penicillin (why? --> Involves horizontal spread to lymphatics)
Etiologic agent and tx for cellulitis
-Strep pyo
-Staph aureus
-H. flu (in unimmunized kids)
-Tx: systemic antibiotics (parenteral)
4 kinds of progressive, severe skin infections
1) Streptococcal gangrene (toxic strep syndrome)
2) Clostridial infections
3) Necrotizing fasciitis
4) Progressive synergistic bacterial gangrene
Etiology/anatomy/clinical features/tx of:
Streptococcal gangrene
Etiology: Group A strep
Anatomy: Deep cellulitis, arterial & venous thromboses
Clinical: Severe local pain/systemic toxicity
Tx: Penicillin, surgical debridement