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Neuro II > Raised ICP > Flashcards

Raised ICP Flashcards

1
Q

Normal physiological ICP of adults

A

15 mmHg or less

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2
Q

ICP of what indicates pathological intracranial HTN

A

20 mmHg or more

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3
Q

Nonspecific symptoms of increased ICP

A

Impaired consciousness
HA
Vomiting

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4
Q

Specific symptoms of increased ICP

A

Cushing’s triad
-Increased systolic BP
-Decreased pulse
-Decreased respiration

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5
Q

Cushing’s triad

A

Increased systolic BP
Decreased pulse
Decreased respiration

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6
Q

Increased ICP causes axoplasmic stasis in the optic nerve head

A

Papilledema

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7
Q

Abnormal enlargement of cerebral ventricles and/or subarachnoid space as a result of excess CSF accumulation

A

Hydrocephalus

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8
Q

Clinical features of normal pressure hydrocephalus

A

Urinary incontinence
Dementia
Gait instability

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9
Q

Cingulate gyrus of one hemisphere is compressed and herniates under the falx cerebri

A

Subfalcine or cingulate herniation

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10
Q

Herniation that compresses the pericallosal arteries and obstructs the foramen of Monro.

A

Cingulate herniation

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11
Q

Complications of cingulate herniation

A

Ischemic strokes in ACA area
Hydrocephalus

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12
Q

Medial temporal lobe herniates at the free margin of the tentorium

A

Uncal herniation

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13
Q

Herniation that compresses the oculomotor nerve, PCA, and cerebral peduncle in midbrain

A

Uncal herniation

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14
Q

Herniation associated with brain stem hemorrhages to due rupture of paramedian branches of basilar A

A

Uncal herniation

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15
Q

Pt presents with ipsilateral blown pupil and ptosis, contralateral homonymous hemianopia with macular sparing, and contralateral hemiparesis. MRI shows herniation.

A

Uncal herniation

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16
Q

Systemic downward movement of the thalamic structures through the tentorial opening with compression of the upper midbrain.

A

Central transtentorial herniation

17
Q

Presents with rostral to caudal progression of oculomotor palsy, diminished level of consciousness, rigidity, and abnormal respiration that can lead to death.

A

Central transtentorial herniation

18
Q

Most common signs of tonsillar herniation

A

Nausea and vomiting
Neck stiffness

19
Q

Chronically elevated ICP in absence of ventricular enlargement or mass lesion with a normal CSF analysis

A

Pseudotumor cerebri

20
Q

Mismatch between production and resorption of CSF due to an unknown cause causing an increased ICP

A

Idiopathic intracranial HTN

21
Q

Pt presents with HA that is worse with lying down and coughing, photopsia, double vision, transient vision loss, retrobulbar pain, and pulsatile tinnitus

A

Idiopathic intracranial HTN

22
Q

Sixth nerve palsy has what presentation

A

Double vision

23
Q

Cerebral atrophy with compensatory enlargement of CSF spaces

A

Hydrocephalus ex vacuo

Neuro II (21 decks)

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