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ID/ENT > Anaerobic Bacteria > Flashcards

Anaerobic Bacteria Flashcards

1
Q

What are the gram + anaerobes?

A

Actinomyces
Clostridia
Peptostreptococcus
Propionibacterium

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2
Q

What are the gram - anaerobes?

A

Bacteriodes
Fusobacterium
Prevotella
Porphyromonas

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3
Q

Where are anaerobic infections typically?

A

Mouth/neck/jaw (Dental Roots)
Abd/Pelvis (GI)
Lungs (aspiration)

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4
Q

What would we see on a chest x-ray that suggests gram + anaerobes?

A

Infiltrates with or without cavitation
Lucency within infiltrates suggesting necrotizing tissue
Air fluid levels within circumscribed infiltrate suggesting lung abscesses

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5
Q

What would we see on a abd CT that suggests gram + anaerobes?

A

Intra abdominal abscess

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6
Q

What is the treatment for gram + anaerobes in the neck?

A

Clindamycin
Augmentin
Unasyn

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7
Q

What is the treatment for gram + anaerobes in the abdomen/pelvis?

A

Oral: Moxifloxacin
IV: Ertapenem
Rocephin + Flagyl
Severe: imipenem

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8
Q

What is the treatment for a lung abscess?

A

Unasyn
Imipenem/meropenem
Clindamycin

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9
Q

What is the treatment for aspiration pneumonia?

A

Unasyn
Flagyl plus Amoxicillin or PCN G

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10
Q

What should you use for dental procedure prophylaxis?

A

PCN or amoxicillin

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11
Q

What should you use for colorectal surgery prophylaxis?

A

Flagyl + 2/3 cephalosporin or Cipro
Carbapenem (ertapenem, imipenem etc)

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12
Q

What are most clostridium skin infections caused by?

A

C. perfringens

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13
Q

What is classic of a c perfringens infection?

A

Gas gangrene

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14
Q

What is the treatment for a c. perfringens infection?

A

Pip/taz plus clindamycin (covers strep and clostridium)
if only clostridium can change to PCN and clindamycin

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15
Q

What does clostridium perfringens cause?

A

Skin and GI infections
(GI are self limiting)

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16
Q

What does clostridium tetani cause?

A

Tetanus

17
Q

What is the treatment for tetanus?

A

Tetanus immune globulin
Tetanus Vaccine
PCN or Flagyl

18
Q

What does clostridium botulinum cause?

A

Botulism

19
Q

What is the treatment for botulism?

A

Antitoxin
Wound botulism can use PCN G or Flagyl

20
Q

What is another name for c diff?

A

Pseudomembranous colitis
You can see pseudomembranes on sigmoidoscopy

21
Q

What is the treatment for c diff?

A

Mild: fidaxomicin (Dificid) or vancomycin
(Flagyl too for cheaper option)

22
Q

Gram negative anaerobes do not usually cause what?

A

Shock in the setting of bacteremia

23
Q

What is the treatment for BV?

A

Flagyl
Clindamycin
Tinidazole

ID/ENT (11 decks)

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