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STROKES - Coggle Diagram

- - - - blood clot forms locally at sight of arteriosclerosis
        
        abnormal thickening of artery wall due to fatty deposits
    - - blood clot is created in another part of circulatory system and travels through till arterial wall gets too narrow to pass
- - - - deficits will be in arm area as thats the point that the two arteries meet on the motor homonculus
      - left carotid artery feeds the middle and anterior cerebral artery
- - - - provide anatomical view by passing series of x-ray through the head. the images then developed on sensitive film. creates 2D cross sectional views. NOT FUNCTION
      - high density show up white, low density show up black
    - - a more detailed and anatomical view than a CT gives
      - depends on magnetic properties of brain tissue involves high-powered magnet. builds 3D map and integrates to generate series of 2D images
- - - - a lump caused by uncontrolled growth of brain cells
      - most develop from glial cells called gliomas
      - usually either benign or malignent
        
        in brain even benign are malignant due to pressure build up
    - - neurological condition caused by disturbance of electrical patterns in the brain
      - main symptom: seizures
        
        vary from momentary disruption of sense to short period of unconsciousness or staring spells to convulsion
        
        can be generalised and involve whole brain or
        
        can be partial and start in one area and spread or stay
        
        measured by EEG
        
        shows distinct spike disrupting what we know as a 'normal' pattern
        
        seizure precipitants
        
        stress
        
        lack of sleep
        
        illness
        
        hormones
        
        patterns of light
        
        alcohol
        
        treatments
        
        medication: antiepileptics or anticonvulsants
        
        surgery: intractable seizure activity
        
        goal is to stop seizure without side effects
      - caused by anything affecting brain including strokes or tumors