Showing posts with label Cardiovascular Disorders. Show all posts
Showing posts with label Cardiovascular Disorders. Show all posts

Saturday, July 28, 2012

Pathophysiology - Coronary Atherosclerosis

Coronary Atherosclerosis
  • Abnormal accumulation of lipid or fatty substance and fibrous tissue in the vessel wall
  • Reduced blood flow to the myocardium
  • Causes repetitious inflammatory response to artery wall injury
  • Progressive inadequate blood flow deprives the muscle cell of oxygen
A.  Risk Factors
  • Non-modifiable
    • Hereditary
    • Age (over 40 years old)
    • Race 
      • higher in African – American than whites
      • more in non-Hispanic whites
    • Sex 
      • 3x in men than premenopausal women, 
      • more in postmenopausal women
      • more in early menopause than late
      • more in women who take contraceptive pills
      • more in smoking