Bacteriology Flashcards
Obligate intracellular
Rickettsiae
Chlamydia
Bird francier’s disease
Psittacosis
Chlamydia psittaci
Cross reaction with antigens of ox strains of proteus. Detection of antirickettsial antibodies
Weil-felix reaction
Palm and sole rashes
CARS
Coxackie A
Rocky mountain spotted fever
Syphilis
Associated with atherosclerosis
Chlamydia pneumoniae
Cat scratch dse in IC, bacillary angiomatosis in IS
Bartonella henselae
DOC rickettsia
Doxycycline
Pseudoappendicitis (mesenteric adenitis)
Yersinia enterolitica
Granuloma inguinale (donovanosis)
Beefy red velvety ulcer
Pseudobuboes
Donovan bodies
Klebsiella granulomatis
Gram positive lancet shaped in pairs or short chains
Strep pneumoniae
DOC group D strep
S. Bovis, e. Faecalis
Penicillin + gentamycin
DOC pontiac fever
Azithromycin
Erythromycin
DOC for HiB
Ceftriaxone
MCC epiglottitis
Thumb sign
H. Influenzae
Satellitism around staph aureus d/t factor V
H. Influenzae
Agent of Post viral pneumonia
Staph aureus
Toxin involved in SSS
Exfoliatin
DOC S. Saprophyticus
Cotrimoxazole
Quinolones
Toxin in scarlet fever
Erythrogenic toxin
Pathogenesis of ARF
Antibodies to M protein
Type II HSR
Perioral lesions with honey crusting, neutrophils below s. Corneum
Impetigo contagiosa
S. Pyogenes
Strawberry tongue
Centrifugal sandpaper rash
Pastia’s lines
Scarlet fever
Test for susceptibility to scarlet fever
Dick test
Virulence factor for necrotizing fasciitis
Exotoxin B
Strep pyogenes
Virulence factor for erysipelas - deep dermis cellulitis
Hyaluronidase
S. Pyogenes
Retropharyngeal abscess caused by s. Pyogenes
Quincy abscess
Abscess in osteomyelitis caused by s. Aureus
Brodie’s abscess
Toxin in s. Aureus that causes hemolysis and skin necrosis
Alpha toxin
AGE usually due to contaminated mayonnaise
Staph aureus
Enterotoxin, heat stable
DOC for formation of glycocalyx in prosthesis
Vancomycin
S. Epidermidis
Anti DNAse b positive
S. Pyogenes
Toxin similar to TSST1
Pyogenic exotoxin A from s. Pyogenes
2 virulence factors of v. Cholerae
Mucinase
Enterotoxin - choleragen - ADP ribosylation
DOC for Vibrio cholerae
Azithromycin
Tetracyclines
DOC for v. Vulnificus and v. Parahaemolyticus
Minocycline
+ fluoroquinolones/ cefotaxime
MCC of bacterial gastroenteritis
C. Jejuni
Assoc with GBS due to antigenic cross reaction
C. Jejuni
Urease positive organisms
Proteus
Klebsiella
H. Pylori
Ureaplasma
Cancer assoc with h. Pylori
Gastric carcinoma
Malt lymphoma
Triple and quad therapy for h. Pylori
Omeprazole
Metronidazole
Clarithromycin or amoxicillin
+- bismuth
Reactive arthritis
Urethritis
Uveitis
Reiter’s syndrome
C. Jejuni
Facultative gram neg rods
With large polysaccharide capsule
Esbl activity
Urease positive
Klebsiella pneumoniae
DOC for necrotizing pneumonia
Cephalosporin +- aminoglycoside
DOC for proteus
TMP SMX
Ampicillin
Complicated uti
Struvite stone formation
Proteus
Grape like odor of p. aeruginosa
Aminoacetophenone
MCC of OE, CSOM
P. aeruginosa
Mild form of necrotizing enterocolitis
Shanghai fever
P. aeruginosa
Green bile pigment in pseudomonas due to
Pyocyanin
Main anaerobe in colon
Bacteroides fragilis
DOC for bacteroides
Metronidazole
Clindamycin
Cefoxitin
Contaminated dairy
Brucella abortis
DOC for brucella
Doxyxycline + rifampin
From tick bite (dermacentor)
Francisella tularemia
Most virulent bacteria
Yersinia pestis
Short encapsulated gram neg rod
Buttery colonies with musty odor due to indole
Pasteurella multocida
DOC for dse with buboes, cutaneous hemorrhage
Streptomycin
Tetracycline
(Yersinia)
Assay for mycobacterium drug resistance
Luciferase assay
Site of GI TB
Ileocecal
Cat II tb treatment
2HRZES, 1HRZE
5HRE
Action of cord factor
Prevents leukocyte migration
Cholesterol in cell membrane
Mycoplasma pneumonae
With Cold agglutinins vs. RBC, autoantibodies against liver, lung, brain
Mycoplasma
MC infectious cause of SLE
Mycoplasma
DOC of mycoplasma
Erythromycin
Azithromycin
Enlarged unilateral sternoclavicular area
Higoumenakis sign
T. Pallidum
MC COD in congenital syphilis
Pulm hemorrhage
Hutchinson triad
Hutchinson teeth
Deafness
Keratitis
False positive VDRL
Viruses
Marijuana
RA, RA
Lupus, leprosy
Gram neg facultative rods, nonlactose fermenting, h2s positive
Salmonella
Dse caused by Vi capsular antigen
Typhoid fever
S. Typhi
Ttt for chronic carrier state of s. Typhi
Ampicillin due to enterohepatic recycling
Salmonella forms that cause enterocolitis
S. Enteritidis
S. Typhimurium
Salmonella type causing septicemia in pt with sickle cell anemia or cancer
S. Choleraesuis
DOC for salmonella
Ceftriaxone
Ciprofloxacin
Week and sample for dx of s. Typhi
Bleeding, ileitis, pneumonia
3rd week
Stool
BM
Samples for carrier testing in s. Typhi
Bile
Stool
Bm
Boxcar shape, medusa head colony
Bacillus anthracis
Poly d glutamate capsule
Bacillus anthracis
DOC for cutaneous anthrax
Ciprofloxacin
Enlarged mediastinal LN
MC COD pulm hemorrhage
Inhalational anthrax
Woolsorter’s dse
DOC for b. Cereus
Vanco
High dose clindamycin
Genta or cipro
Agent causing ophthalmitis
Loss of light perception in 48 hrs
B. Cereus
Reheated fried rice
B. Cereus
Terminal end spore
C. Tetani
Protease cleaving CHON > glycine release from renshaw cells > spastic paralysis
Tetanospasmin
Alkaline veg, canned food, honey, smoked fish
C. Botulinum
Botox
Exotoxin a of C. Botulinum
Triad of botulism
Descending flaccid paralysis
No fever
Intact sensorium
Bulbar signs of botulism
Dysphagia
Diplopia
Dysphonia
Dysarthria
Eye signs of botulism
Mydriasis
BOV
Diplopia
Ptosis
Double hemolysis on blood agar due to lecithinase
C. Perfringens
Exotoxin detected in stool due yo cytopathic effects
C. Difficile
Toxin causing pseudomembrane form’n
Exotoxin a and b of c. Difficile
DOC for C. Perfringens
Penicillin
DOC for C. Difficile
Metronidazole
Vancomycin
Causes flare up of UC
C. Difficile
Club, comma, chinese character
C. Diphtheriae
Babes ernst/ volutin granules
C. Diphtheriae
Test for toxigenicity of Diphtheria
Modified elek test
Unpasteurized milk
Listeria
Brucella
Fx that transport listeria from cell to cell
Actin rockets
Granulomatous infantiseptica
Listeria
Internalin binding to e cadherin
Listeria
Gram + rods
Narrow beta hemolysis
Cold enhancement
Listeria
Human bite
Eikinella corrodens
Assoc with close quarters
N. Meningitidis
Chemoprophylaxis of neisseria meningitidis
Rifampin
Virulence factors include
Pili
IgA protease
Lipooligosaccharide
Neisseria gonorrhea
Violin string adhesions
Perihepatitis
Fitz hugh curtis syndrome
Ttt for neisseria in pregnant
Ceftriaxone + azithromycin
Metallic sheen in emb
E coli
Ttt for shigella
Ciprofloxacin
MCC epidemic dysentery
Shigella dysentirae type 1 shiga bacillus
Toxin causing HUS, hemorrhagic colitis
Verotoxin
Shiga like toxin
MCC travelers diarrhea
ETEC
Persistent watery stools in aids pts
EAEC
EHEC type
O157:H7
E coli antigens in:
Flagellar
Endotoxin
Capsule
Flagellum : h antigen
Endotoxin : o antigen
Capsule : k antigen
Phase with constant growth rate
Log / exponential phase
Phase where (+) spore formation
Phase 3 max stationary
Obligate anaerobes
Actinomycetes
Bacteroides
Clostridium
Aerotolerant anaerobes
Propionobacterium
Lactobacillus
Spore formers
Bacillus
Clostridium
Lactose fermenters
Citrobacter
Klebsiella
E coli
Enterobacter
MCC bacillary dysentirae
S. Sonnei
Newcastle manchester bacillus
S. Boydii
Duval’s bacillus
S. Sonnei
Hiss and russell’s bacillus
S. Flexneri
Ttt for erythema nodosum
Thalidomide
Ttt for nocardioses
Cotrimoxazole + drainage
Fite faraco stain
Nocardia asteroides
Aerobic
Filamentous rods with aerial hyphae
nocardia asteroides
Hard nontender nodule
Sinus tracts
Sulfur granules
Actinomycoses
Assoc with fractured jaw, dental extraction
Actinomyces israelli
Ttt for actinomyces
Pen g
Drainage
Acrodermatitis chronica atrophicans
Borrelia burgdorferi
Transmitted. Thru ixodes scapularis
Borrelia burgdorferi
Ttt for early or localized lyme dse
Doxycycline
Bullseye or target lesions
Erythema chronicum migrans
Lyme dse stage 1
Largest med relevant bac stains well with aniline dyes
Borrelia burgdorferi
Transmitted by pediculus humanus
Borrelia recurrentis
Shepherds crook
Leptospira interrogans
Initial lesion of leptospirosis
Vasculitis due to damage to endothelium
God standard for leptospirosis
Lepto MAT
Weil syndrome triad
Jaundice
Bleeding
Uremia
Chemoprophylaxis of leptospirosis
Doxycycline
Halberstadter prowazek inclusions
Trachoma
C. Trachomatis