Stroke: is my understanding correct?

[Premedico]

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1) Patient with stroke. Determine whether it's hemorrhagic or ischemic.

2) If it's hemorrhagic, the etiologies are dependent on location.

-basal ganglia/internal capsule region: etiology is hypertension (hyaline arteriosclerosis)

-rest of brain parenchyma: etiology is cerebral amyloid angiopathy

3) If it's basal ganglia (hyaline arteriosclerosis due to hypertension)

-less than 1mm is Charcot Bouchard
-less than 1cm is called lacunar



I could be totally wrong. Help please! I never get these questions right 😕