Bugs Flashcards
Gram Positive Aerobes
Cocci (Ball) - Staph (cluster), Strept, Entero
Bacilli - anthrax, Listeria
Coagulase
Positive = S. aureus Negative = S. epidermidis, saprophyticus
Alpha Hemolysis
Strept virdans, -mutans, -pneumo
E. faecalis
Beta Hemolysis
Group A = S. pyogenes
Group B = S. agalactiae
Gamma Hemolysis
E. faecium
Enterococcus
Faecalis: more common less resistance
Faecium: less common, vanc resistant
Butterscotch
Strep anginosus
Gram Positive Anaerobes
Pepto(strepto)coccus - dental
Bacilli - Colstridial
Aerobic Gram Negative Rods
+/- lactose fermenter/oxidase
Lactose Fermenter Oxidase Positive
Aeromonas, Vibrio
Lactose Fermenter Oxidase Negative
E. Coli, Klebsiella, Enterobacter, Citrobacter, Salmonella
Non-lactose Fermenter Oxidase Positive
Pseudomonas, H. pylori
Non-lactose Fermenter Oxidase Negative
Proteus, Serratia, Morganella, Acinetobacter, Shigella, Stenotrophmonas
UTI Bugs
E. Coli, Proteus
Grapes or Corn Tortillas
Pseudomonas aeruginosa
Gram Negative Cocci
Moraxella, Neisseria (gonorrhoeae, meningitidis)
Gram Negative Coccobacillus
Bordetella pertussis, H. flu
Gram Negative Anaerobes
Bacteroides, Prevotella, Pasteurella
Atypicals Features
No cell wall (treated wiht quinolones, tetracycline, macrolides)
Common Atypicals
Mycoplasma, Chlamydophila, Legionella
Skin Floral
Staphylococci, Streptococci
Oropharynx Floral
Viridans streptococci, Peptostreptococcus
GI Flora
Enterococcus, Bacteroides, Gram negative enteric bacilli
Gram Positive Staining
Thick peptidoglycan retains crystal violet -> purple
Gram Negative Staining
Thin peptidoglycan layer between membranes decolorizes -> counterstain -> pink
Spirochetes
Borrelia (Lyme dz); GN: Treponema (Syphilus), H. Pylori
Enterobacteriaceae
Shigella, Proteus, E. Coli Enterobacter, Citrobacter, Kleb, Salmonella, Serratia
