Infectious Disease

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Anonymous
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188294
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Infectious Disease
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2012-12-09 22:14:24
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Infectious Disease
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Infectious Disease
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  1. Staphylococcus aureus
    Aerobic Gram-Positive Cocci (AGPC)

    (Skin flora, Hospital and community-acquired pneumonia, SSTIs, osteomyelitis, endocarditis, septic arthritis, blood and catheter infections, MSSA/MRSA)
  2. Staphylococcus epidermidis
    Aerobic Gram-Positive Cocci (AGPC)

    CoNS (Coagulase-Negative Staphylococcus epidermidis)

    (Skin flora, Foley (urine) catheter and IV line infections, prosthetic device infections, contaminates blood cultures)

    (More likely to be a contaminant and NOT a true pathogen)
  3. Staphylococcus saprophyticus
    Aerobic Gram-Positive Cocci (AGPC)

    (Vaginal flora, UTIs: 2nd to E. coli in younger, sexually active females)
  4. Streptococcus pyogenes
    Aerobic Gram-Positive Cocci (AGPC)

    (Grp A  β-hemolytic)

    (Skin flora, Strep throat (pharyngitis), SSTIs, scarlet fever, rheumatic fever, glomerulonephritis)

    (Pyogenes = pus formation/production)
  5. Streptococcus agalactiae
    Aerobic Gram-Positive Cocci (AGPC)

    (Grp B  β-hemolytic)

    (Vaginal flora, Neonatal meningitis, pneumonia, and sepsis)

    (Group B, "B for baby")
  6. Streptococcus pneumoniae
    Aerobic Gram-Positive Cocci (AGPC)

    (α-hemolytic)

    (Community-acquired pneumonia (CAP), otitis media, bacterial meningitis)

    (Common source of dental caries; If you have an abscess or some source  of Streptococcus pneumoniae, you should check the Pt's teeth since this may be the source of the infection.)
  7. S. anginosus. (aka S. milleri), S. mutans, S. mitis, S. salivarius, S. sanguis, Gamella morbillorum
    Viridans Group Streptococci

    Aerobic Gram-Positive Cocci (AGPC)

    (α-hemolytic)

    (GI flora, Dental infections, endocarditis, abscesses)
  8. Streptococcus bovis
    Aerobic Gram-Positive Cocci (AGPC)

    (Grp D Nonenterococcal Strep.)

    (GI flora, Associated with colon cancer)
  9. Enterococcus faecalis, Enterococcus faecium
    Aerobic Gram-Positive Cocci (AGPC)

    (GI flora, UTIs, biliary infections, bacteremia, endocarditis, VRE)

    (Usually treated with ampicillin or a very broad penicillin.  Since the Tx is different than that used for Streptococcus, they are classified as Enterococcus; Otherwise they would have been classified as Streptococci.  Streptococcus Tx is usually penicillins or cephalosporins.)
  10. Bacillus anthracis
    Aerobic Gram-Positive Bacilli (AGPB)

    SPORE-FORMING

    (Anthrax)
  11. Bacillus cereus
    Aerobic Gram-Positive Bacilli (AGPB)

    SPORE-FORMING

    (Gastorenteritis (food poisoning))
  12. Corynebacterium spp.
    Aerobic Gram-Positive Bacilli (AGPB)

    NONSPORE-FORMING

    (Skin flora, culture contaminant; non-pathogenic forms are called "diphtheroids")
  13. Listeria monocytogenes
    Aerobic Gram-Positive Bacilli (AGPB)

    NONSPORE-FORMING

    (Meningitis in neonates (3rd after Grp B Strep. and E. coli) and immunosuppressed)

    (Tends to cause CNS infections in the very young and the very old)
  14. Nocardia spp.
    Aerobic Gram-Positive Bacilli (AGPB)

    NONSPORE-FORMING

    (Opportunistic pathogen)
  15. Clostridium perfringens
    Anaerobic Gram-Positive Bacilli (AN-GPB)

    SPORE-FORMING

    (Gas Gangrene - cellulitis/wound infections)
  16. Clostridium difficile
    Anaerobic Gram-Positive Bacilli (AN-GPB)

    SPORE-FORMING

    (Antibiotic-induced diarrhea, Pseudomembraneous enterocolitis)
  17. Actinomyces spp., Propionibacterium acnes, Lactobacillus spp.
    Anaerobic Gram-Positive Bacilli (AN-GPB)

    NONSPORE-FORMING
  18. Peptostreptococcus spp., Peptococcus spp.
    Anaerobic Gram-Positive Cocci (AN-GPC)

    (GI/vaginal/mouth flora, Abscesses, aspiration pneumonia)
  19. Chlamydia trachomatis
    Miscellaneous (do NOT stain well, cannot tell if G+ or G-)

    NO CELL WALL

    (STD)
  20. Chlamydophilia (formerly Chlamydia) pneumoniae
    Miscellaneous (do NOT stain well, cannot tell if G+ or G-)

    NO CELL WALL

    (Atypical organism, CAP)
  21. Rickettsia rickettsii
    Miscellaneous (do NOT stain well, cannot tell if G+ or G-)

    (Rocky Mountain  Spotted Fever)
  22. Mycoplasma pneumoniae
    Miscellaneous (do NOT stain well, cannot tell if G+ or G-)

    NO CELL WALL

    (Atypical organism, CAP)
  23. Borrelia burgdorferi
    Miscellaneous (do NOT stain well, cannot tell if G+ or G-)

    (Lyme disease)
  24. Treponema pallidum
    Miscellaneous (do NOT stain well, cannot tell if G+ or G-)

    (Syphilis)
  25. Mycobacterium tuberculosis
    Miscellaneous (do NOT stain well, cannot tell if G+ or G-)
  26. Escherichia coli
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (Diarrhea, UTIs, neonatal meningitis, sepsis)
  27. Klebsiella spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (UTIs (Foley catheters), nosocomial pneumonia, sepsis)
  28. Enterobacter spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (Nosocomial infections)
  29. Citrobacter spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (Nosocomial infections)
  30. Proteus mirabilis
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (UTIs, nosocomial infections)
  31. Providencia spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")
  32. Morganella morganii
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")
  33. Serratia spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (UTIs, wound infections, pneumonia)
  34. Shigella spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (Dysentery, NOT GI normal flora- pathogen)
  35. Salmonella spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (Typhoid fever, diarrhea, sepsis, carrier)
  36. Yersinia enterocolitica
    Aerobic Gram-Negative Bacilli (AGNB)

    Enterobacteriaceae ("enteric")

    (Diarrhea)
  37. Pseudomonas aeruginosa
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Nosocomial infections, pneumonia, osteomyelitis, sepsis, UTIs, endocarditis)

    (Can very easily develop resistance)
  38. Acinetobacter baumannii
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Nosocomial infections)

    (Can very easily develop resistance)
  39. Stenotrophomonas (Xanthamonas) maltophilia
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Nosocomial infections)

    (Can very easily develop resistance)
  40. Haemophilus influenzae
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Influenzae, meningitis, epiglottitis, septic arthritis, sepsis)

    (Can very easily develop resistance)
  41. Legionella pneumophilia
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (CAP)

    (Atypica organism; Causes respiratory infections, BUT presents with viral-like Sx)
  42. Bordetella pertussis
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Whooping cough)

    (Can very easily develop resistance)
  43. Bartonella henselae
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Cat scratch disease)

    (Can very easily develop resistance)
  44. Pasteurella multocida
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Animal bites/scratches)

    (Can very easily develop resistance)
  45. Helicobacter pylori (H. pylori)
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (GI ulcers, gastritis)

    (Can very easily develop resistance)
  46. Brucella spp.
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Undulant fevers)
  47. Vibrio cholera
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Diarrhea)
  48. Campylobacter jejuni
    Aerobic Gram-Negative Bacilli (AGNB)

    NON-enterobacteriaceae

    (Diarrhea)
  49. Neisseria meningitidis
    Aerobic Gram-Negative Cocci (AGNC)

    (Meningitis (<1 yo), sepsis)
  50. Neisseria gonorrhoeae
    Aerobic Gram-Negative Cocci (AGNC)

    (STD- gonorrhea, septic arthritis)
  51. Moraxella catarrhalis
    Aerobic Gram-Negative Cocci (AGNC)

    (Respiratory infections, CAP)
  52. Bacteroides fragilis
    Anaerobic Gram-Negative Bacilli (AN-GNB)

    (GI/vaginal flora, Abscesses)
  53. Bacteroides melaninogenicus
    Anaerobic Gram-Negative Bacilli (AN-GNB)

    (GI/vaginal/mouth flora, Aspiration pneumonia, periodontal disease)
  54. Fusobacterium spp.
    Anaerobic Gram-Negative Bacilli (AN-GNB)

    (Aspiration pneumonia, periodontal diseases, abdominal/pelvic abscesses)
  55. Prevotella spp.
    Anaerobic Gram-Negative Bacilli (AN-GNB)

    (Periodontal diseases)
  56. Veillonella spp.
    Anaerobic Gram-Negative Cocci (AN-GNC)

    (GI normal flora, Rare cases of osteomyelitis and endocarditis)

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