Stroke Review Flashcards
The sources supplying the circle of willis are the:
internal carotid arteries, basilar artery
The _____ artery supplies the medial, frontal, and parietal lobes
ACA
The _____ artery supplies the medial temporal and occipital lobes
PCA
The area of the precentral gyrus closest to the lingula is responsible for _______ (function) of the ________
motor; jaw, tongue and throat
70% of strokes are due to ______ occlusion or rupture
MCA
Another name for the branches of ______ is M2
MCA
The cerebellum is supplied by these 3 arteries:
superior cerebellar artery (SCA), AICA, PICA
The anterior limb of the internal capsule is supplied by the _______ arteries
lenticulostriate arteries
The posterior limb of the internal capsule is supplied by the _______ and _______ arteries
lenticulostriate, anterior choroidal
anterior choroidal artery is a branch of _______
internal carotid
A transient ischemic attack is defined as _________ and typically lasts _________ minutes
less than 24 hours with no brain damage, 15-20 minutes
A stroke is defined as ____________
more than 24 hours WITH brain damage
An ABCD^2 score of 6 equals a _______ risk of stroke over a 7 day period after a TIA
11%
The highest ABCD^2 score one can achieve is ____
9
The last 2 D’s in the ABCD^2 score stand for:
duration (≥10 minutes = 1pt; ≥60 minutes = 2pt), Diabetes (yes = 1pt)
A stroke of the internal capsule is referred to as a ______
capsular stroke
Occlusion of the __________ also leads to difficulty localizing and interpreting sounds
lenticulostriate arteries (because they also supply the sublenticular limb of IC)
The ________ (artery) is the most common site of spontaneous hypertensive hemorrhage in individuals with long-standing hypertension
lenticulostriate arteries
A person with chronic hypertension has a stroke, what symptom are they likely experiencing?
difficulty localizing and interpreting sounds
________ is the most frequent UMN syndrome
capsular stroke
UMN signs of capsular stroke are ________ and __________
UMN signs for contralateral UE and LE, UMN signs for contralateral face and neck
In a lesion to the CNT occurring in the internal capsule, the sidedness of the lesion to the UMN sign is:
bilateral
The ______ which also runs through the internal capsule contains fibers of the trigeminal motor nucleus, facial motor nucleus, nucleus ambiguus, accessory nucleus, and hypoglossal nucleus
CNT
If the CNT fibers in the internal capsule are lesioned, the damage to the facial motor nucleus, nucleus ambiguus, and hypoglossal nucleus causes _______ (sidedness) UMN signs
contralateral