Bootcamp Microbiology Flashcards
Lobar pneumonia cause
S. pneumoniae
Bronchopneumonia cause
Staph aureus
Croup (laryngotrracheobronchitis) cause
Parainfluenza virus
Epiglottitis cause
H. influenzae type b
Spore forming organisms
Bacilli: bacillus (B. cereus, B. anthracis), clostridium (C. tetani, C. botulinum, C. perfringens, C. difficile)
Catalase + organisms
Staphylococcus, bacillus
Coagulase + organisms
Staph aureus
Alpha hemolytic organisms
Strep pneumoniae (positive), viridans streptococci (negative)
Beta hemolytic organisms
Strep pyogenes/ group A (positive), strep agalactiae/ group B (negative)
Gamma hemolytic organisms
Enterococcus (positive), Strep bovis (negative)
Motile bacilli
Clostridium difficile
Non-motile bacilli
Clostridium perfringens
Novobiocin positive sensitive staph
Staph epidermidis
Novobiocin negative sensitive staph
Staph saprophticus
Clostridium perfringens dxs
Gas gangrene & gastroenteritis
Clostridiodes difficile dxs
C. diff (pseudomembranous colitis), fulminant colitis
Clostridium tetani dxs
Tetanus, neonatal tetanus
C. diff vs C. perfringens differentiation
Motility (C. diff = motile, c. perf = non-motile)
Impetigo microbe
Staph aureus, strep pyogenes
Scarlett fever microbe
Group A strep infections (erythrogenic toxin)
Cellulitis microbe
Beta-hemolytic strep pyogenes (non-purulent), staph aureus (purulent)
Erysipelas microbe
Strep pyogenes
Scalded skin syndrome microbe
Staph aureus (exfoliative toxin)
Abcess microbe
Staph aureus