HPED 2507 Lecture 13: CVD
6 Oct 2016
School
Department
Course
Professor
Document Summary
Cardiovascular disease is the 2nd leading cause of death in canada. ~ 70,000 deaths per year one of the top two causes of death in canada. . 2 billion spent per year on health care costs, lost wages and productivity. Smoking rates have declined since the 1970s. Prevalence of overweight and obesity have increased. Obesity can increase a person"s risk of developing cvd by 50% Damage to the heart, the blood vessels of the heart and the system of blood vessels(veins and arteries) throughout the body and within the brain. Root cause of most cvd is atherosclerosis ( hardening of the arteries ) Gradual may take decades to develop. Narrowing of arteries leads to poor blood flow. Sudden heart tissue death caused by blood vessel blockage: thrombus blood clot, embolism mobile blood clot. Stroke occurs if the flow of oxygen-rich blood to a portion of the brain is blocked. Without oxygen, brain cells start to die after a few minutes.
