Cardiovascular disease

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  • Created by: Bethhy
  • Created on: 16-04-14 13:36
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  • Cardiovascular disease
    • Heart disease
      • angina
        • plaque building up in the coronary arteries.
          • Heart goes into anaerobic respiration
            • lack of oxygenated blood.
      • heart attacks
        • blood clot
          • blocks the artery
            • starves heart from oxygen and nutrients
    • strokes
      • disruption in the blood supply to the brain
        • clot gets into blood stream and gets blocked in the brain
    • epidemiology
      • number affected in the population
        • can potentially predict rick of development
    • risk factors
      • genes: genetic tendencies can increase chance of development
        • easily damaged artery/hypertension/metabolism
      • Gender: under 50 men are more likely to develop
        • oestrogen stops the build up of plaque
          • falls at menopause
      • age: older more likely
        • blood vessels wear, lose elasticality
    • lifestyle factors
      • smoking increases risk
      • being overweight
        • heart working harder
      • increase exercise reduces risk
      • high stress levels increase risk
      • poor diet increases
    • treatment
      • blood pressure
        • diuretics
          • reduce volume of substances in the blood
        • beta blocker
          • heart rate slower
        • sympathetic nerve inhibitors
          • dilates arteries
      • statins
        • lower cholesterol in blood
        • plant stanols
          • found in yoghurt
            • stand in for cholesterol
      • anticoagulants
        • warfrin
          • makes blood clots much harder to make

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