Stroke Flashcards
Blood Clot or Thrombus in cerebral arteries or branches
Cerebral Thrombosis
Traveling bits of matter that produce occlusion and infarction in cerebral arteries
Cerebral embolism
3 types of strokes
Cerebral thrombosis
Cerebral Embolism
Cerebral Hemorrhage
Abnormal bleeding due to a rupture of a blood vessel
Cerebral Hemorrhage
Cerebral Anoxia
Lack of O2 to the brain
Irreversible anoxic damage to the brain occurs after:
4-6 minutes
Cerebral infarction causes what kind of cellular damage?
Irreversible
ICA occlusions typically affect which two arteries?
MCA and ACA
ICA occlusions commonly produce signs and symptoms of what region?
MCA involvement
ACA supplies what portion of the medial cerebral cortex?
Anterior 2/3
ACA syndrome occclusions where will produce minimal deficits? Why?
Proximal to ACA - due to collateral circulatio of circle of Willis
What does the MCA supply (3)
Lateral Cerebral Cortex
Basal Ganglia
Large portions of Internal Capsule
The Basilar Artery supplies ____ and terminates in ____
Ventral Portion of Pons and Terminates in PCA
Medial Medullary Syndrome
Occlusion of vertebral anterior branch of lower basilar artery
Lateral Medullary Syndrome (Wallenberg) (3 arteries)
Occlusion of vertebral, posterior inferior cerebellar or basilar artery