Flashcards in Chapter 25: Other Types of Neurologic Dysfunction Deck (11):
Temporary symptoms of neurological dysfunction ("ministroke")
Transient Ischemic Attack (TIA)
True or false: TIAs fully resolve within 24 hours.
What percentage of patients suffer a major stroke following a TIA?
By how much does a past TIA increase one's risk of stroke?
What usually causes a TIA?
Embolism from a carotid artery plaque that blocks a small cerebral artery.
What is the treatment for a TIA?
1) Carotid endarterectomy
2) Drugs to reduce thrombi
3) Reduce risk factors
What is the second most common cause of dementia (following Alzheimer's)?
Multi-Infarct Vascular Dementia
What causes Multi-Infarct Vascular Dementia?
Vascular disease (due to hypertension, diabetes, or hyperlipidemia); results in blockages that may damage brain tissue without causing motor neuron disturbances or paralysis (repeated, small strokes)
What percentage of A-fib patients have silent strokes?
How is Multi-Infarct Vascular Dementia diagnosed?