KIN242 Lecture Notes - Lecture 5: National Institutes Of Health Stroke Scale, Transient Ischemic Attack, Aphasia
13 Mar 2017
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Document Summary
Interruption of blood flow in arteries leading to or within the brain: severity of stroke depends on where and how much of the brain was damaged, highly variable symptoms and impairments, movement, language, vision, & cognition. Prevalence: prevalence: 300,000 canadians living with stroke, leading cause of adult disability. Incidence: 40,000-50,000 strokes/yr in canada (same as tbis: one stroke every 10 minutes, transient ischemic attack (silent stroke) every 6 seconds, disability after stroke is more severe. Long-term survival: 15% die from stroke each year, 10% recover completely, 25% minor long-term impairment, 40% moderate to severe impairment, 10% severely disabled requiring long term care. Risk factors: age (older), sex (males), family history, atrial fibrillation, hypertension, high cholesterol, diabetes, obesity, physical inactivity, smoking. Ischemic stroke: interruption of blood flow due to blood clot, thrombotic, embolic involved with afib, embolus goes to other part of brain and clots, haemorrhagic stroke (more severe, interruption of blood flow due to bleed.
