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From Flashcardlet > BRS Neurology > Flashcards

BRS Neurology Flashcards

1
Q

Neural Crest

A

-Autonomic Ganglia, Sensory nerves, chromaffin cells, schwann cells, melanocytes, leptomeninges, Adontoblasts and dental cells, heart septation (especially outflow) CT of Pharyngeal arches, Parafollicular calcitonin secreting cells

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2
Q

5 Brain Vesicles

A
  1. Telencephalon
  2. Diencephalon
  3. Mesencephalon
  4. Metencephalon
  5. Myelencephalon
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3
Q

Cerebellopontine Cistern

A

-Recieves CSF from 4th ventricle through foramen of luschka. Contains CN 7 and 8.

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4
Q

Meningioma

A

-Whorls and calcified psammoma bodies

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5
Q

CSF Composition

A
  • 2/3 plasma glucose

- protein less than 45 in lumbar cistern

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6
Q

Communicating Hydrocephalus

A

-blockage of arachnoid granulations, adhesions after meningitis

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7
Q

Normal Pressure Hydrocephalus

A
  • Wacky, Wobly, Wet

- Unabsorbed CSF (traumatic hemorrhage)

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8
Q

Hydrocephalus Ex Vacuo

A

-Alzheimers, Huntingtons (Atrophy of brain)

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9
Q

Pseuotumor Cerebri

A
  • Increased CSF Resistance to CSF flow at Vili
  • Obese Young Women
  • Papilledema and vision loss, elevated CSF pressure
  • No mass
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10
Q

Neonatal Meningitis

A

-E Coli and Group B Strep

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11
Q

Adolescent and adult Meningities

A

-Nisseria Meningitidis

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12
Q

Older Adults Meningitis

A

-S Pneumonia

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13
Q

Bacterial Meningitis

A
  • PML in CSF
  • Cloudy
  • Reduced Glucose
  • Kernig Sign/Nuchal Rigidity
  • Fever
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14
Q

Viral Meningitis/Encephalitis

A
  • Clear/Cloudy CSF
  • Slightly elevated WBC in CSF, mostly lymphocytes
  • Normal Glucose
  • Nuchal Rigidity with kernig sign
  • Enteroviruses, HSV2,
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15
Q

Circumventricular Organs

A
  • No BBB, contain fenestrated Capillaries

- Hormonal Release and monitoring

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16
Q

Pinealoma

A

-Dorsal Midbrain Syndrome, Precoucious Puberty if child

17
Q

Dorsal Midbrain Syndrome (prinauds)

A

-Upward Gaze impairment
~Argyll Robinson
-Eyelid Retraction (Collier Sign) can see sclera above cornea. Signals upward gaze palsy and minimized eye movements
-Convergence Nystagmus

18
Q

Argyll Roninson

A

-Pupils constrict in accomidation but not in direct light. Damage to midbrain, ed-west nucleus.

19
Q

Berry Anyeurism

A
  • Rupture is most commone cause of intracranial hemorrhage
  • Anterior communicating press on optic chiasm and cause bitemporal hemianopia
  • Posterior can compress third Nerve
20
Q

Charcot-Bousard (Microanyeurism)

A

-Lenticulostriate, associated with elevated BP

21
Q

Encephalocele

A

-Brain Closure defect, most often occurs in occiput

22
Q

Dandy Walker Cyst

A

-Atresia of foramen of magendie and luschka leads to dilation of 4th ventricle and cerebellar agenesis

23
Q

Arnold Chiari 2

A
  • Herniation of Cerebellar tonils through foramen magnum
  • Associated with meningomyelocele
  • 1 is more sublte and associated with syringolyelia

From Flashcardlet (7 decks)

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