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Neurology > Investigations > Flashcards

Investigations Flashcards

1
Q

Parkinson’s disease (2)

A

Clinical diagnosis

- Trial of L-dopa supports

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2
Q

Bell palsy (2)

A
  • Investigate other causes: infection with bloods

- CT head if upper motor neuron signs: stroke/tumour/MS

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3
Q

Meningitis investigations

A 
BLOODS
- Blood cultures
- FBC 
- Liver function tests 
- Clotting screen 
- Meningococcal PCR
- Pneumococcal PCR
- Serology sample
- Glucose 
THROAT SWAB 
- Culture
CSF sample
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4
Q

What is investigated in a meningitis CSF sample? (6)

A
  • Opening pressure
  • Microscopy, culture and sensitivity
  • Meningoccocal and Pneumoccoal PCR
  • Protein
  • Glucose
  • Lactate
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5
Q

What is the appearance of CSF bacterial meningitis?

A

Cloudy and turbid

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6
Q

What is the opening pressure of CSF bacterial meningitis?

A

Elevated (>25cm H20)

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7
Q

What is the WBC of CSF bacterial meningitis? And what type of cells?

A

Elevated > 100 cell/Ul

Polymorphonuclear leukocytes

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8
Q

What is the glucose level of CSF in bacterial meningitis?

A

Low <40% serum glucose

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9
Q

What is the protein level of CSF in bacterial meningitis?

A

Elevated >50mg/dL

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10
Q

What is the appearance of CSF in viral meningitis?

A

Clear

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11
Q

What is the opening pressure of CSF in viral meningitis?

A

Normal/elevated

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12
Q

What is the WBC of CSF in viral meningitis? Main type of cell? (2)

A

Elevated
50-1000 cells/UL
Lymphocytes

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13
Q

What is the glucose level for viral meningitis? (2)

A

Normal

Low in HSV

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14
Q

What is the protein level for viral meningitis?

A

Elevated >50mg/dL

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15
Q

What is the appearance of CSF in fungal meningitis?

A

Clear/cloudy

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16
Q

What is the opening pressure in fungal meningitis CSF?

A

Elevated

17
Q

What is the WBC of fungal meningitis CSF?

A

Elevated (10-500 cells/ul)

18
Q

What is the glucose level of fungal meningitis CSF?

A

Low

19
Q

What is the level of protein in fungal meningitis CSF?

A

Elevated

20
Q

What is the appearance of TB meningitis CSF? (2)

A
  • Opaque

- Settles to form fibrin web

21
Q

What is the opening pressure of TB meningitis CSF? (2)

A

Elevated

22
Q

What is the WBC of TB meningitis CSF? (2)

A

Elevated

10-1000 cells/dl

23
Q

What is the glucose of TB meningitis CSF?

A

Low

24
Q

What is the protein of TB meningitis CSF?

A

Elevated

1-5 g/L

Neurology (20 decks)

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