Vascular dementia

Question 1

pathophysiology of vascular dementia

Answer 1

progressive loss of brain function due to poor blood flow long term to the brain
- typically due to a series of strokes

2. neurons are only able to function in aerobic conditions where there is constant oxygen and glucose supply
3. Atherosclerosis -> chronic ischaemia -> necrosis of brain tissue

Question 2

symptoms of vascular dementia depending on part of the brain that is affected

Answer 2

1. Temporal lobe stroke - difficulty with memory
2. Parietal lobs stroke - loss of speech aphasia
3. Frontal lobe stroke - personality changes

Question 3

vascular dementia specific symptoms

Answer 3

1. attention probelms
2. changes in personalty
3. focal neurological fields sch as hemiparesis or visual field defects may be present