Clinical Bacteriology Critiques - 2009
    To Clinical Bacteriology Critiques
  Source and expected outcome.
Feb 2009 G084 Gram smear for staining: Bacterial vaginosis negative, 2+ (1-5/oif) yeast Photograph
  M084-1 Midstream Urine:  Enterococcus faecalis
  M084-2 Nares: methicillin-resistant Staphylococcus aureus (MRSA)
  M084-3 Stool: Salmonella Enteritidis and Shigella flexneri, Public health Notification
  M084-4 Blood Culture: Granulicatella adiacens (nutritionally variant streptococcus)
  M084-5 Wound (pelvic abscess post IUD removal): Actinomyces israelii
  PC084 Swab for Neisseria gonorrhoeae culture received 10 days after collection
May 2009 G091 Gram Smear for staining: Pseudomonas aeruginosa 4+ (>10/oif) neutrophils and 3+ (11-50/oif) gram negative bacilli Photograph
  M091-1 Throat swab: group G streptococcus
  M091-2 Rectal swab for VRE (Vancomycin resistant enterococcus) screen: Enterococcus faecalis
(VRE), van B positive
  M091-3 Diabetic Foot Wound Swab: Pseudomonas aeruginosa
  M091-4 Peritoneal Dialysis Fluid sample: Gemella species
  M091-5 CSF: Citrobacter koseri (formerly diversus)
  CT091

Clostridium difficile toxin

Aug 2009
G092 Gram Smear for staining: Neck Abscess Smear: 4+ (>10/oif) neutrophils,  3+ (11-50/oif) gram negative bacilli (Fusobacterium nucleatum) Photograph
  M092-1 Midstream Urine sample:  Morganella morganii
  M092-2 Stool sample: Vibrio cholerae, notification to Public Health office required
  M092-3 Vaginal/Rectal swab sample: group B streptococcus
  M092-4 Blood culture sample: Fusobacterium nucleatum
  M092-5 Dog bite wound sample: Neisseria weaveri
  PC092

Pre-analytical challenge: Mislabeled throat swabs

  GS092-1 Gram smear for staining: CSF smear: 4+ (>10/oif) neutrophils, 3+ (11-50/oif) gram negative coccobacilli (Haemophilus species) Photograph
  GS092-2 Gram smear for staining: Wound smear (Leg cellulitis): 4+ (>10/oif) neutrophils, 3+ (11-50/oif) gram positive cocci (Streptococcus species) Photograph
Nov 2009
G093

simulated Knee Aspirate smear: 4+ (>10/oif) neutrophils, 3+ (11-50/oif) gram positive bacilli Photograph

  M093-1

simulated Throat sample: No group A, C or G streptococci isolated

  M093-2

simulated Wound (leg) sample: Aeromonas veronii biovar sobria

  M093-3

simulated Stool sample: Plesiomonas shigelloides

  M093-4

simulated Knee Aspirate Isolate swab: Corynebacterium jeikeium

  M093-5

simulated Bronchial Alveolar Lavage sample: Pseudomonas aeruginosa

  CT093A
CT093B

stool filtrate for C.difficile toxin testing: Positive for Antigen; Negative for Toxin

top   page revised: 25 Feb 2010