Gram Classification

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Author:
daku420
ID:
236521
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Gram Classification
Updated:
2013-09-28 22:40:47
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DA5
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  1. Staph. aureus (PSSA)
    Coagulase positive, Gram positive cocci

    • Killing: Pen G
    • Alternatives:
    •         Antistaphs: Nafcillin
    •                          Dicloxacillin
    •                          Oxacillin
    •                          Amox/clav
    • 1st Gen Cephs:    Cefazolin, Cephalexin
  2. Staph. aureus (MSSA)
    Coagulase positive, GPC

    Killing: Antistaphs: Naf, Diclox,Ox,Amox/clav

              Alternative: 1st Gen Cephs = Cefazolin
  3. Staph. aureus (MRSA)

    Less serious
    Coagulase postive, GPC

    Less serious: SMX/TMP, Tetra, Clinda
  4. Staph. aureus (MRSA)

    Serious/life threatening:
    Coagulase positive, GPC

    • Serious/life threatening:
    •      1st line: Vancomycin
    •      Alt.     : Linezolid (but not in bacteremia)
    •                : Daptomycin (avoid in PNA)
    •                : Ceftaroline (last resort)
  5. Staph. epidermidis
    Coagulase Negative, Gram positive cocci
  6. Staph. saprophyticus
    Coagulase Negative, Gram positive cocci
  7. Strept. pyogenes (Group A)
    Gram positive cocci, β-hemolytic
  8. Killing Strep pyogenes (Penicillin susceptible)
    Penicillin for 10+ days

    Alternatives : Macrolides, Cepholo, Clinda, Fluroquinolones
  9. Killing Strep pyogenes (Toxic shock)
    Pen G + Clindamycin

    or Clinda+β-lact/β-lact inhibitor or carbapenem
  10. Strept. agalactiae
    Gram positive cocci, β-hemolytic
  11. Viridans streptococcus, strep. Pneumonia
    GPC, α-hemolytic
  12. Which fluoroquinolone is not used for respiratory strep pneumo?
    cipro
  13. Otitis media
    Pneumonia
    Meningitis
    Strep pneumo
  14. Strep Pneumo (Penicillin Susceptible)
    Penicillin G       or        cefotaxime, ceftriaxone

    • Alternatives: 
    •      Macrolides
    •      Doxy
  15. Strep pneumo (Penicillin resistant)
    • Macrolide
    • Doxy 
    • Fluorquinolones (except cipro)
  16. Meningitis tx
    Vanco + ceftriaxone or cefotaxime
  17. Enterococci faecium
    GPC
  18. Enterococci faecalis
    GPC
  19. Killing Enterococci (Penicilllin Susceptible)
    Susceptible to amp and vanco

    • Use Amp or Penicillin
    • Amp is not a cidal

    • Alternatives:
    •      Vanco if allergic
    •      Can be combined with AG for synergistic effect
  20. Killing Enterococci  (Penicillin Resistant)
    Vacomycin +/- AG

    Alternative: Amp/sulbactam
  21. Killing Enterococci (VRE)
    Serious Infections
    • Linezolid
    • Dapto
    • Tige(for intra-abdominal infections)
    • Quinupristin/dalfopristin (synercid)
    •      E. faecium - S
    •      E. faecalis - R
  22. Killing Enterococci (VRE)
    Non-serious
    • Nitrofurantoin
    • fosfomycin
    • tetracycline
    • cipro
  23. Listeria monocytogenes
    GPR
  24. Bacillus anthracis
    GPR
  25. Neisseria meningitides
    GNC
  26. Neisseria gonorrhaeae
    GNC
  27. Haemophilus influenzae
    GN Coccobacilli
  28. Haemophilus ducreyi
    GN Coccobacilli
  29. Bordotella pertussis
    GN Coccobacilli
  30. Moraxella catarrhalis
    GN Coccobacilli
  31. Treponema palladium
    GN Spirochete
  32. Echerichia coli
    GNR, lactose fermenter
  33. Klebsiella pneumoniae
    GNR, lactose fermenter
  34. Enterobacter spp.
    GNR, lactose fermenter
  35. Citrobacter spp.
    GNR, lactose fermenter
  36. Pseudomonas aeruginosa
    GNR, non-lactose fermenter, oxidase positive
  37. Legionella pneumophila
    GNR, non-lactose fermenter, oxidase positive
  38. Proteus mirabilis
    GNR, non-lactose fermenter, oxidase negative
  39. Proteus vulgaris
    GNR, non-lactose fermenter, oxidase negative
  40. Morganella morganii
    GNR, non-lactose fermenter, oxidase negative
  41. Serratia spp.
    GNR, non-lactose fermenter, oxidase negative
  42. Salmonella spp.
    GNR, non-lactose fermenter, oxidase negative
  43. Shigella spp.
    GNR, non-lactose fermenter, oxidase negative
  44. Stenotrophomonas maltophilia
    GNR, non-lactose fermenter, oxidase negative
  45. Acinetobacter spp. (A. baumannii)
    GNR, non-lactose fermenter, oxidase negative
  46. Clostridium difficile
    Other, Obligate anaerobe
  47. Clostridium perfringens
    Other, Obligate anaerobe
  48. Lactobacillus spp.
    Other, Obligate anaerobe
  49. Fusobacterium spp.
    Other, Obligate anaerobe
  50. Bacteriodes fragilis
    Other, Obligate anaerobe
  51. Mycobacterium spp.
    Other, Atypical
  52. Mycoplasma pneumoniae
    Other, Atypical
  53. Chlamydia trachomatis
    Other, Atypical
  54. Candida albicans
    Other, Fungal - yeast
  55. Candida glabrata
    Other, Fungal - yeast
  56. Candida lusitaniae
    Other, Fungal - yeast
  57. Candida krusei
    Other, Fungal - yeast
  58. Aspergillus spp.
    Other, Fungal - mold

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