1-2, MIDTERMS

• Staphylococcus Aureus

  Gram (+) Cocci
• Staphylococcus Epidermidis

  Gram (+) Cocci
• Streptococcus Pyogenes

  Gram (+) Cocci
• Clostridium Perfringens

  Gram (+) Bacilli
• Pseudomonas Aeruginosa

  Gram (-) Bacilli
• Disease

  • Folliculitis
  • Furuncle
  • Carbuncle
  • Staphylococcal Scalded Skin Syndrome (+) Nikolsky Sign
  • Sty or Hordeolum
  • Stitch Abscess
  • Endocarditis infection in Prosthetic Valves
  • Pyoderma
  • Erysipelas
  • Cellulitis
  • Necrotizing fasciitis
  • Gas gangrene
• Staphylococcus Aureus produces pigment and grapelike odor
• FUNGAL SKIN INFECTION (MYCOSIS)

  • Superficial Mycosis
  • Cutaneous Mycosis or Dermatophytosis
  • Subcutaneous Mycosis
• Pityriasis versicolor

  • M. furfur – spaghetti & meatball
  • Tinea Nigra - Exophiala werneckki - Produces melanin in palms & soles
• Tinea

  • Tinea pedis - athlete foot
  • Tinea capitis - scalp
  • Tinea corporis - body
  • Tinea cruris - groin
  • Tinea manus - hands
  • Tinea barbae – beard
  • Tinea unguium - onychomycosis nails
• Sporotrichosis

  Rose Gardener's Disease - Etiology - Sporothrix schenckii
• Mycetoma or Madura Foot

  Etiology - Eumycetoma and Actinomycetoma
• Chromoblastomycosis

  Etiology - Fonsecaea, Phialophora, and Cladophialophora
• VIRAL CAUSES - SKIN LESION

  • Erythema Infectiosum
  • Rubeola
  • Rubella
  • Varicella
  • Variola
  • Zoster or Shingles
  • Roseola
• Erythema Infectiosum

  Etiology: Parvovirus B19 - Erythema Face & Cheek
• Rubeola

  Etiology: Morbili Virus - Paramyxovirus - Maculopapular Rash - 3C (Cough, Coryza, Cojunctivitis)
• Rubella

  Etiology: Togaviruses - Maculopapular Rash (+) Lymphadenopathy
• Varicella

  Etiology: Varicella-Zoster Virus - Vesicular Papular rash - Tear Drop on a pink base - Drug choice: Acyclovir
• Variola

  Etiology: Variola Virus - Vesicular-papular Rash - Small pox eradicated already
• Zoster or Shingles

  Etiology: Varicella-Zoster Virus - Prior history of Chicken Pox - Vesicular-papular Rash - Latent Infection - Drug choice: Acyclovir
• Roseola

  Etiology: Human Herpes Virus 6 - Maculopapular Rash
• RESPIRATORY TRACT INFECTION

  • Mycobacterium tubeculosis
  • Bacillus anthracis
  • Bordetella pertussis
  • Corynebacterium diphtheriae
  • Rhino virus (main cause)
  • Influenza virus