Neurological Disorders Flashcards
Which cranial nerve controls pupillary constriction?
CN III (oculomotor)
What is cranial nerve I?
Olfactory
What is cranial nerve II?
Optic
Which cranial nerve controls down and inward eye movement?
IV (trochlear)
Which cranial nerve controls tongue movement?
XII (hypoglossal)
Which cranial nerve controls shrugging the shoulders?
XI (spinal accessory)
Which cranial nerve controls hearing?
VIII (acoustic)
Which cranial nerve controls the gag reflex?
IX (glossopharyngeal)
Which cranial nerve controls eye movement to the side?
VI (abducens)
Which cranial nerve controls muscles of mastication?
V (trigeminal)
Which cranial nerve controls puffing out the cheeks?
VII (facial)
A score of what or higher on the mini mental status exam indicates no cognitive impairment?
24 or above
What % of strokes are ischemic?
80%
What two kinds of vision changes classically occur in TIA?
Ipsilateral monocular blindness; homonymous hemianopia
On what side will vision changes be during stroke?
Ipsilateral (same) side
On what side will motor changes be during stroke?
Contralateral side
What two drugs are most important in management of TIA?
Aspirin and clopidogrel
When is a carotid endarterectomy indicated?
For greater than 70-80% stenosis with symptoms
Speech is normally impaired with a stroke in which hemisphere?
Left
Spatial disorientation is seen with stroke in which hemisphere?
Right
What is the latest you can give thrombolytics in stoke?
4.5 hours from sx onset
What two categories of pts have an indication for ICP monitoring?
Severe head injury with GCS of 8 + abnormal CT; severe head injury with GCS of 8 + normal with CT scan with any 2 of the following: age >40, BP <90, abnormal motor posturing
MAP should be maintained at what in stroke?
110-130
Why is MAP maintained at 110-130 in stroke?
To prevent cerebral vasospasm