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Week 2 Reading: Gillen, G. (Ed.). (2015). Stroke rehabilitation: a…

- - - - Focal deficits of an ischemic stroke within clearly vascular distribution
      - Reversible defects: no cerebral infarction ensues
      - Causes of TIAs
        
        Can be thrombolic or embolic
        
        could result from cerebral vasospasm
      - Effects of TIAs must resolve in less than 24 hours
      - Prevention of future stroke from occuring --> do a complete evaluation for cerebrovasuclar disease and source of embolism
    - - Injury results from tissue anoxia caused by an interruption of cerebral blood flow
      - Embolic stroke
        
        Most embolic strokes of known cause occur after emboli that are cardiac in origin
        
        Second most common source is atherothrombotic lesions that result in artery to artery embolism
        
        Sources of emboli
        
        Cardiac sources
        
        Cardiac dysrhythmias, structural abnormalities, and acute infarctions
        
        Most common: thrombosis in left atrium of thrombus formation in atrial fibrillation by clot formation in left atrial appendage
        
        Most common cardiac structural cause of cerebral embolism: Myocardial infarction
      - Abrupt onset, although they are also associated with stuttering symptoms