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(DIT) Rapid Fire + 4/5 Stars > Micro - normal flora, pneumonia, meningitis > Flashcards

Micro - normal flora, pneumonia, meningitis Flashcards

1
Q

normal skin flora

A

staph epidermidis - coag - staph

  • prevents growth of yeast
  • -> blood –> bacteremia, endocarditis
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2
Q

Normal nose flora

A

S. epidermidis
S. aureus

site of MRSA colonization

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3
Q

Normal oral flora

A

anaerobes
Staph
strep - S. mutans - dental plaque and caries –> endocarditis post dental procedure

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4
Q

Normal colon flora

A

bacteriodes fragilis

E coli –> UTIs

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5
Q

Normal vaginal flora

A

lactobacillus - converts glucose –> lactic acid
pH about 4.5

e coli
anaerobes
staph
strep

group B strep - s. agalactiae
–> neonatal sepsis, meningitis, pneumonia

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6
Q

Causes of pneumonia in neonates (birth -28 days)

A

Grp B strep
E coli
Chlamydia trachomatis - 4-12 wks later
HSV

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7
Q

Causes of pneumonia in children

A

Viruses - RSV
S. pneumo
Mycoplasma pneumoniae
Chlamydophila pneumoniae

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8
Q

Causes of pneumonia in adults

A 
S. pneumo
H. influenzae
Mycoplasma pneumoniae
Chlamydophila pneumoniae
influenza virus
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9
Q

Causes of pneumonia in elderly adults

A 
S. pneumo
H. flu
Influenza virus
S. aureus
Gram - rods: Klebsiella pneumoniae
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10
Q

Causes of meningitis in neonates (birth - 28d)

A

Group B strep
E coli
Listeria monocytogenes

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11
Q

Causes of meningitis in infants and children

A

S. pneumo
N. meningitidis
H. flu type B
Viruses - most commonly enteroviruses

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12
Q

Causes of meningitis in adults

A

S. pneumo
N. meningitidis
Enteroviruses

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13
Q

Causes of meningitis in elderly adults

A

S. pneumo
Listeria monocytogenes
Gram - rods - E coli

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14
Q

Empiric treatment for meningitis

A

Cetriaxone + vancomycin +/- ampicillin (if listeria suspected)

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15
Q

Anthrax

A

Bacillus anthracis - spore-forming, gram + rod

Cutaneous anthrax: necrotic ulcer –> eschar w/ surrounding erythema and edema

Pulmonary anthrax: mediastinal LAD –> hemorrhagic mediastinitis –> bacteremia –> circulatory collapse and death

Anthrax meningitis - hemorrhagic

Management of exposure:
remove clothing, wash patient w/ soap and water
Ciprofloxacin or doxycycline
vaccination
Raxibacumab - monoclonal Ab neutralizes B. anthracis toxins - if other prophylactic agents not available

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16
Q

Small pox

A

Variola virus - Pox virus
2 week incubation

transmitted by respiratory droplets or contact w/ contaminated objects (fomites)

Rash on mouth –> face –> trunk and extremities –> becomes vesicular/pustular

manage exposure:
remove clothing and wash patient w/ soap and water
vaccine available through CBC and state health deparatments

(DIT) Rapid Fire + 4/5 Stars (162 decks)

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