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Microb > gram negative bacilli (pseudomonads & vibrio) > Flashcards

gram negative bacilli (pseudomonads & vibrio) Flashcards

1
Q

pseudomonas aeruginosa character

A

blue-green colour on agar

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2
Q

pseudomonas aeruginosa clinical presentations (a lot)

A

HAI: UTI, pneumonia, GIT infections, SSTI
CAI: keratitis (contact lens), malignant otitis externa

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3
Q

pseudomonas aeruginosa treatment (3)

A
  1. piperacilin/pip-tazo
  2. carbapenems
  3. ceftazidime
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4
Q

pseudomonas aeuruginosa transmission (4Ws)

A
  1. Wind (ventilator)
  2. Water (sources)
  3. Wire (catheters, lines)
  4. (burn) Wounds
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5
Q

burkholderia pseudomallei character

A

wrinkled colonies

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6
Q

burkholderia pseudomallei clinical presentations (4)

A
  1. melioidosis
  2. pneumonia
  3. abscesses
  4. septicaemia
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7
Q

burkholderia pseudomallei transmission

A

soil contaminants– skin contact, inhalation

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8
Q

burkholderia pseudomallei treatment (2)

A

ceftazidime/imipenem (>2wks IV)
oral combination therapy for >6mths

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9
Q

stenotrophomonas maltophilia resistance

A

carbapenems (produces carbapenemase)

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10
Q

stenotrophomonas maltophilia treatment

A

co-trimoxazole, levofloxacin

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11
Q

vibrio cholerae character

A

curved bacilli
yellow (sucrose fermenting) on Thiosulfate Citrate Bile Salts & Sucrose (TCBS)

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12
Q

vibrio cholerae transmission

A

faecal-oral

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13
Q

vibrio cholerae clinical presentations

A

rice water stools (watery PAINLESS diarrhoea)

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14
Q

vibrio cholerae treatment (2)

A
  1. Ciprofloxacin
  2. Tetracyclin

REHYDRATION!!!

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15
Q

vibrio cholerae virulence

A

Cholera toxin (carried by O1 and O139 strains)

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16
Q

vibrio parahaemolyticus transmission

A

eating undercooked/raw shellfish

17
Q

vibrio parahaemolyticus clinical presentations

A

diarrhoea & vomiting within 24h

18
Q

vibrio vulnificus transmission

A

seawater exposure on wounds

19
Q

vibrio vulnificus clinical presentation

A

wound infection (SSTI, oedema, necrosis)

Microb (9 decks)

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