Vascular Disease Prevention/Risk Flashcards
What is the best predictor of atherosclerosis?
..
Best predictor of CVD death?
..
CVD starts when?
In utero (if the mom has high cholesterol) It becomes gradually worsened throughout childhood, adolescence, and adulthood.
Epidemiology of heart disease in Canada?
Mortality rates from CVD has gone down since 1960. Then, 2/3 of people died within a year after heart attack. Today, the one year mortality is only about 5%, if you are under 70. However, the burden of disease is increasing.
How many new strokes and heart attacks occur here each year?
50,000 strokes 70,000 MIs
What is the number one killer in the world?
CVD
What is primordial prevention?
How we prevent CVD in utero, as a young child, and up until school. How we prevent the disease occurring
Primary prevention?
Once a person has the risk factors, how do we prevent them having an event
What is exposure? What is susceptibility?
Exposure - reactive oxygen species that can cause damage in the arteries Susceptibility - how likely you are to get a disease based on genetics CVD = Exposure + Susceptibility
What is the primary buffer/anti-oxidant that helps our arteries?
NADPH
How did Winston Churchill live to be 90 and maintain physical fitness, despite high stress and unhealthy habits?
He walked at least 1-2 hours every single day.
What percent of people die within 5 minutes of the first symptoms of their first heart attack?
At least 40-50% of people
Glagov’s Model?
The disease starts not in the donut hole of the artery, but in the walls of the donut. The plaques in the donut walls can rupture, andform a blood clot which occludes blood flow.
What are the big 4 risk factors for CVD?
Diabetes Dyslipidemia Hypertension Smoking Determined by the Framingham Atherosclerosis Study
After which BP does the incidence of cardiovascular events go up?
115/75
