Gram-Negative Bacteria Flashcards
Neisseria fermentation
MeninGitidis - Maltose, Glucose; GOnorrhea, Glucose Only
Maltose fermenter, encapsulated, kidney-bean shaped, URT habitat, IgA protease, MCC meningitis age 2-18, meningococcemia, purpura fulminans, Waterhouse-Friedrichsen, Ceftriaxone/Pen G, vaccine ACYW135 diphtheria toxoid, rifampin chemoprophylaxis
Neisseria meningitidis
MCC meningitis age 2-18
Neisseria meningitidis
Meningococcemia purpuric rash
Purpura fulminans
Bacteria causing Waterhouse-Friedrichsen (adrenal insufficiency)
N meningitidis, Strep pneumoniae
Vaccines against these bacteria are coupled to diphtheria toxoid
N meningitidis, Strep pneumoniae, H influenzae
Meningococcemia chemoprophylaxis for close contacts
Rifampicin
Maltose non-fermenter, GU habitat, pili, IgA protease, co-infection with C. trachomatis, ophthalmia neonatorum, MCC urethritis/PID, MCC septic arthritis in sexually active adults, Ceftriaxone + Doxycycline
Neisseria gonorrhea
Violin string adhesions in perihepatitis from gonorrhea
Fitz-Hugh-Curtis Syndrome
Gonorrhea STD complicated 50-60% of the time with __
C trachomatis
Tx for opthalmia neonatrum
Erythromycin
MCC urethritis/PID
N gonorrhea
MCC septic arthritis in sexually active adults
N gonorrhea
MCC septic arthritis
Staph aureus
HACEK organisms causing endocarditis
Haemophilus aphrophilus, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, Kingella kingae
Neisseriaceae causing culture-negative subacute bacterial endocarditis in Pts with previous heart disease
Eikenella corrodens, Kingella kingae
Enriched chocolate agar, polyribitol phosphate capsule
Haemophilus influenzae type b
Bordet-Gengou agar, whooping cough
Bordetella pertussis
Silver stain, charcoal yeast agar, airconditioning
Legionella pneumophila
Enriched chocolate agar V & X, satellite phenomenon around S aureus, URT habitat, polyribitol phosphate (type b) capsule, IgA protease, non-typeable meningitis, epiglottitis, COPD exacerbations, Ceftriaxone, vaccine with diphtheria toxoid
Haemophilus influenzae
Hib, whooping cough, thumb sign, Ceftriaxone
Epiglottitis
Parainfluenza, steeple sign, racemic epinephrine
Laryngotracheobronchitis
Diseases caused by H influenzae
haEMOPhilus: Epiglottitis, Meningitis, Otitis media, Pneumonia
MCC COPD exacerbations (bacterial, overall)
Strep pneumoniae, H influenza, Moraxella catarrhalis
MCC COPD exacerbations (viral)
Influenza virus
Bordet-Gengou agar, Regan-Lower charcoal medium, URT habitat, tracheal cytotoxin causes whooping, Erythromycin
Bordetella pertussis
Lymphocytosis despite bacterial infection
Bordetella pertussis
Regan-Lowe charcoal medium
Bordetella pertussis
Staccato cough
Chlamydia
B. pertussis inhibits phagocytic activity because of __
False adenylate cyclase
B. pertussis damages ciliated cells and causes whooping because of __
Tracheal cytotoxin
Pertussis phase with highest yield of culture
Catarrhal (2nd phase of 4)
Pertussis phase with whooping
Paroxysmal (3rd phase of 4)
Atypical pneumonia caused by
Mycoplasma pneumoniae, Chlamydophila pneumoniae, Legionella pneumophila
Silver stain, facultative intracellular, charcoal yeast agar with iron and cysteine, rapid urinary antigen test, environmental water habitat, airconditioning, endotoxin is sole virulence factor, atypical pneumonia, pontiac fever, Azithromycin
Legionella pneumophila
Facultative intracellular bacteria
Some Bugs May Live FacultativeLY: Salmonella, Brucella, Mycobacterium, Listeria, Francisella, Legionella, Yersinia
Pontiac fever
Legionella pneumophila
Lactose fermenting bacteria
lactose fermenters in macConKEE agar: Citrobacter, Klebsiella, E. coli, Enterobacter
Lactose fermenter, green sheen on EMB, colon habitat, pili, H K O antigens, HST and HLT cause watery diarrhea, verotoxin causes bloody diarrhea, MCC community & nosocomial UTI, neonatal meningitis, Ampicillin for UTI, 3rd gen cephalosporins for meningitis & sepsis
Escherichia coli
Enterobacteriaceae
MESSY SPECK: Morganella, E. coli, Shigella, Salmonella, Yersinia, Serratia, Proteus, Enterobacter, Citrobacter, Klebsiella
MCC community-acquired & nosocomial UTI
E. coli
Neonatal meningitis bacteria
BEL: B group strep, E. coli, Listeria
E. coli watery, traveler’s diarrhea
ETEC
E. coli PPP pathogenic, pediatric, Philippines: watery diarrhea, infants, developing countries
EPEC
E. coli bloody diarrhea, HUS, undercooked beef
EHEC