Skin/Tissue/Fluids
GNDCs that often cause communicable meningitis among those living in close quarters
What is Neisseria meningitidis?
The cell type that, in large quantities, indicates a poor specimen collection
What are squamous epithelial cells?
This GI pathogen shows up as "gull wings" on Gram stain
Campylobacter
This organism causes the majority of UTIs
What is E. coli?
The broad category of antibiotics that targets cell wall synthesis, which includes penicillins, cephalosporins, and carbapenems
What are beta-lactams?
This common commensal skin anaerobe is indole positive.
What is Cutibacterium acnes?
This stain is the best choice to help visualize branching, beaded GPRs in a sputum sample.
What is the Fite (modified acid fast) stain?
Characterized as mostly biochemically non-reactive, this GNR genus is associated with diarrhea outbreaks at daycare centers
What is Shigella
Pregnant people must be screened for this catalase negative GPC to prevent neonatal meningitis
Streptococcus agalactiae (Group B strep)
The resistance mechanism that removes antibiotics from bacterial cells after they have already entered
What is an efflux pump?
The anticoagulant used in blood culture systems that also deactivates neutrophils and some antibiotics
What is SPS? (sodium polyanethol sulfonate)
A fungus strongly associated with AIDS that causes pneumonia
What is Pneumocystis jirovecii?
A tropical roundworm whose eggs are usually brown and bumpy.
What is Ascaris lumbricoides?
A eukaryote that sometimes resembles a WBC in urine unless you see its motility
What is Trichomonas vaginalis?
What is erythromycin?
Also called "nutritionally variant streptococci" these chaining GPCs associated with endocarditis will usually fail to grow on blood agar (2 genera)
Abiotrophia and Granulicatella
A GNDC that is often normal flora, but causes pneumonia and otitis media as an opportunist
What is Moraxella catarrhalis?
What is C. difficile?
A UTI-causing species that is commonly associated with vancomycin resistance
What is Enterococcus faecium?
Enterococci are intrinsically resistant to low levels of this drug class, but sometimes a synergistic reaction with cell-wall active drugs will overcome that resistance.
What are aminoglycosides?
Don't trust the MALDI ID for this beta-lactamase positive GNDC
What is Francisella tularensis?
Non-chromogenic, slow growing AFB mostly associated with immunocompromised people
What is Mycobacterium avium complex?
This oxidase positive lactose fermenter causes gastroenteritis and wound infections. It also appears green on TCBS agar.
What is Vibrio vulnificus?
This condition (stage and disease name) can cause symptoms ranging from gummas to major neurological issues
What is tertiary syphilis?
An antibiotic that can't undergo AST in plastic containers because of its detergent property
What is colistin?