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Flashcards in Exam 1 IHL DSA Deck (45):
1

Staphylococci

Gram+, Catalase+
Virulence: Polysaccharide capsule, Biofilm, Exfoliative A & B toxins=cleave desmoglein 1- Blisters of scalded skin syndrome & bullous impetigo
TSST1= superantigent stim t-cells leads to shock receptors clumping

2

S. aureus,

Coagulase +, SCALDED SKIN SYNDROME, bullous impetigo, folliculitis, deep abscesses, sepsis, catheter/prosthetic infections, pneumonia/emyema, meningitis, ACUTE ENDOCARDITIS, ostemyelitits, septic arthritis, TSST 1, FOOD POISONING,

3

S. epidermidis

Coagulase -, SUBACUTE ENDOCARDITIS, catheter & Prosthesis via biofilms, opportunistic infections

4

S. saprophyticus

Coagulase -, UTI's

5

Staphylococci resistand Rx

MRSA-penicillin
VRSA-vancomycin

6

Steptococci

Gram +, catalase -,
Virulence: lipoteichoic acid & F protein attach to epithelial cells, M proteins and s. pyrogens resist phagocytosis & ass with rheumatic fever, erthrogenic exotoxin- scralett fever rash,
Streptolysin-lyses of rbc & wbc

7

Streptococci pyogenes

Beta hemolytic, diseases: Pharyngitis & tonsillitis, scarlett fever, sinusitis, otitis, arthritis, osteomyelitus, impetego, erysipelas, cellulitis, pneumonia, bactermis, rheumatic fever, rheumatic valvular disease,

8

Streptococci agalactige

Beta hemolytic,
Diseases: colonizes vagina, neonatal septicemia, meningitis & pneumonia

9

Streptococci Bovis/equinus

Diseases: UTI's endocarditis

10

Streptococci pneumoniae

diseases: pneumonia in adult, otitis in kids, meningitis

11

streptococci viridans:

diseases: dental caries

12

Streptococci Rx

antibiotics

13

Enterococci

Gram+, non hemolytic, virulance: capsule: resist phagocytosis, biofilms, Intrinsic Beta-Lactam & aminoglycoside resistant, Vancomycin resistant

14

E. faecalis

Diseases: UTI's, bactermia, bacterial endocarditis, diverticulitis, meningitis, nosocomial infections,

15

Enterococci Rx

resistant to penicillins, cephalosporins, carbapenems, can have res to vanomycin, aminoglycosides

16

Enterobacteriaceae

gram -, catalase positive, virulance: LPS endotoxin, ferment lactose,

17

Escherichia coli

Gram -, diseases UTI via fecal matter, urethrocystitis, chronic bacterial prostatitis, acute pyelonephritis, sepsis, neonatal meningitis, pathogenic diarrheal

18

enterotoxigenic

travelers diarrhea

19

enteropathogenic

infantile diarrhea salmonella like

20

enteroaggregative

infantile diarrhea, growth retard

21

enteroinvassive

shigella-like diarrhea, bloody stool

22

enterohemorrhagic (shiga toxin producing)

hemorrhagic colitus, bloody stool

23

Klebsiella

gram -, lactose fermentors, virulence lps endotoxin, encapsulated

24

K. pneumoniae

red "currant jelly", nosocmial respitary tract infections

25

K. oxytoca

colitus sepsis wound and soft tissue infections

26

K. granulomatis

donovan bodies in Mos, granuloma inguinale

27

enterobacter cloacae & E. aerogenes

gram -, lactose fermenters, diseases nosocomial bacteria, hospital aquired infections, pneumonia & lung abscesses, UTI, endocardititis sptic arthritis/ ostemyelitis,

28

Enterobacter Rx

Cant use beta-lactamases

29

Citrobacter

gram -, lactose fermentors,

30

citrobacter koseri

diseases: neonatal menegitis, UTI, bacteremia

31

Salmonella enterica enterica

gram -, produce H2S, VI=capsular antigen,
black center in colonies

32

salmonella enterica, serovar enteriditis

Disease: enteroivasive gastroenteritits, activate adenylate cyclase, spticemia

33

S, enterica enterica, serovar typhi

enteric typhoid fever, may mimic apedicitic

34

S , enteric enteric serovar choleraesuis

diarrhea, speticemia,

35

Shigella

gram - rod, NON-lactose fermenting, virulence shiga toxin

36

Shigella dysenteriae

cramps and watery bloody diarrhea

37

Shigella Rx

fluids

38

yersinia

gram -, bipolar, glucose fermentor, non lactose fermentor

39

Y. enterocoltica and Y. pseudotuberculosis

fecally cantaminated food, diseases intra abdominal abscess, blood tranfusion related bactermia

40

Y. Pestis

Bubonic plague bitten by infected flea, black rats, ground squirrels, septicemic plague, pnuemonic plague, lyph node biopsy

41

Proteus

gram -, extremely motile, virulence: fimbriae-adherance, flagella, IgA proteases, LPS endotoxin,

42

Proteus mirabils

struvite stones

43

Proteus vulgaris & proteus penneri

nursing home infections, nosocomial

44

Serratia

gram -,produce red prodigiosin pigment, non-lactose fermenting
virulence: LPS endotoxin, beta lactamases, cytotoxins

45

Serratia marcescens

respiratory urinary and GI, diseases hospital acquired infections