11-27-06 - Cardiovascular Disease Objectives List the major...

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Cardiovascular Disease Objectives List the major components of the cardiovascular system and describe how blood is pumped and circulated throughout the body. Describe the controllable and uncontrollable risk factors associated with cardiovascular disease. Discuss the major forms of cardiovascular disease and how they develop. List the steps you can take to lower your personal risk of developing cardiovascular disease. Cardiovascular Disease (CVD) Statistics Coronary heart disease is the #1 cause of death in the U.S., accounting over 40% of deaths annually. It is also the leading cause of death in 35-44 year old males. Over 1.5 million American experience a heart attack per year. For 25% of these people, cardiac arrest will be their first symptom. Women are 5 times more likely to develop cardiovascular disease than breast cancer. It has been estimated that cardiovascular disease costs our economy over $400 billion annually. System Blood vessels- classified by size and function Arteries- Away from heart Veins- Toward the heart Capillaries Heart Consists of four chambers Upper atria Lower ventricles Heart has two circulatory systems Pulmonary circulation Systematic circulation Major Forms of Cardiovascular Disease CAD (Coronary Artery Disease) Atherosclerosis: build up of plaque on the arteries. A form of arteriosclerosis (hardening of the arteries) Arteries become narrow due to plaque buildup. This process deprives blood and vital oxygen to specific organs, such as the heart, brain, etc. Results in the following: Coronary Heart Disease Stroke Peripheral Arterial Disease
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Hypertension Stroke Congestive Heart Failure Disease Process Coronary artery disease is the most common form of cardiovascular disease. This process involves the slow gradual buildup of plaque within the arteries. Over many years, plaque reduces the blood supply to the heart tissue. This may result in either the onset of
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