OME - ID Brain inflammation Flashcards

1
Q

DDx fever and HA?

A
  • *Look for photo / phonophobia +/- NV
    1. Meningitis
    2. Encephalitis
    3. Abscess
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2
Q

Most common type meningitis?

A

Bacterial

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3
Q

Types Meningitis?

A
  1. TB
  2. Lyme
  3. RMSF
  4. Cryptococcal
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4
Q

What to look for to point towards abscess?

A
  1. Focal neurologic deficit
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5
Q

What points to encephalitis?

A
  1. AMS (encephalopathy)
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6
Q

Viral encephalitis causes?

A
  1. West nile
  2. Equine
  3. HSV
    * *Do not alter rx, only have to report to CDC
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7
Q

Rx encephalitis?

A

Supportive

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8
Q

Only viral encephalitis with Rx?

A

HSV - acyclovir

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9
Q

What to do before LP?

A
Look for signs elevated ICP (contraindications):
"FAILS"
Focal deficit (mass)
AMS
Immunosuppressed
Lesion over spine
Seizure
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10
Q

What happens if do LP with ICP?

A

Brain herniates through foramen magnum

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11
Q

Who is immunocompromised?

A
  1. Elderly
  2. Neonate
  3. Chemo
  4. Monoclonal Ig
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12
Q

What to do if LP unsafe?

A
  1. Non con CT - looking for mass
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13
Q

If LP is unsafe to do you give ABX?

A

Yes, LP then CT

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14
Q

IF LP safe, order of treatment?

A
  1. LP

2. CT

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15
Q

Signs bacterial LP?

A
  1. > 1000 poly WBCs
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16
Q

Empirical Rx all bacterial meningitis?

A
  1. Ceftriaxone
  2. Vancomycin
  3. Steroids
    * Add amp if immunosuppressed
17
Q

What points towards Lyme?

A
  1. Travel to connecticut
  2. Targetoid lesion
  3. Arthralgias
  4. Arrhythmias
  5. Ig
    * Do not need to see tic
18
Q

What points towards crypto?

A
  1. Aids
  2. Antigen
  3. Elevated Opening pressure
19
Q

What points towards RMSF?

A
  1. Rash moving from arms to trunk
  2. Tick bites
  3. Camping
  4. Ig on CSF
20
Q

What points to TB?

A
  1. Nights sweats
  2. Weight loss
  3. Hemoptysis
  4. Homeless / prison / endemic areas
21
Q

What points to Syphillis?

A
  1. Chancer

2. Erythema multiforme (bullseyes lesionS)

22
Q

Rx cryptococcal?

A

Amphoterecin

23
Q

Rx RMSF / Lime

A
  1. Ceftriaxone
24
Q

Rx TB?

A
"RIPE"
Rifampin
Isoniazid
Pyramid Azole
Ethambutol
25
Q

Step if HIV+, AIDS, And Toxo Ig +?

A
  1. Treat toxo:
    a. Pyrimethamine
    b. Sulfadiazine
  2. Rescan 6 weeks later
26
Q

Next step mass and not Aids?

A
  1. Brain biopsy
27
Q

Rx Brain abscess?

A
  1. Drain

2. Abx

28
Q

What to think if hemorrhagic tab or “temporal lobe” and encephalitis?

A

HSV

29
Q

How to diagnose HSV?

A

HSV PCR