Overview Coronary Artery Disease Essay

2256 words - 9 pages

Coronary Artery Disease which is also known as heart disease and cardiovascular disease is a major cause of death around the world. According to the Heart and Stroke Foundation of Canada, deaths from heart disease occur every 7 minutes (2014). First of all, it is important to know what this disease is. Heart disease develops when blood pressure increases due to the lack of oxygenated blood being supplied to the heart causing the heart to work much harder then what is considered healthy. This can occur from various controversies but the main cause is the blockage of an artery which ultimately leads to it narrowing explained by Douglas Wetherill (2000). Wetherill also stated that if the supply of oxygenated blood is cut off from the heart, a portion of the heart muscle will die resulting in a heart attack (2000). Although there is many different areas within the topic of heart disease, coronary artery disease is the main focus within this report due to the connection between health, lifestyle and prevention. Not only that, but it is the main topic of heart disease altogether.
Coronary Artery Disease is a very in depth topic and must be explained thoroughly. The most important contribution to this disease is one’s health. According to Wetherill, fatty streaks build up within arteries from diets of high cholesterol and fat and these fatty streaks eventually turn into plaque which may cause total closure, also referred to as an occlusion of an artery restricting blood flow and refraining the heart of oxygen and necessary nutrients to function (2000). Saturated fats are the worst fats in most diets due to the prevalence of trans fat that supplies the fatal plaque buildup. People should avoid these fats and look for monounsaturated fats and polyunsaturated fats as they are much healthier and will be explained why later on in the report. However if total closure or occlusion is not the case then reported by Wetherill, simple fatty streaks will advance into atherosclerotic lesions to atheromas to fibroatheromas before becoming plaque (2000). He explains that these intensified fatty streaks causes the heart to work much faster which is referred to as hypertension (Wetherill, 2000).
Hypertension is a major contribution to Coronary Artery Disease and may also lead to a much more dangerous condition such as, atherosclerosis. According to Frey, when blood flows through the artery with a great amount of resistance against the artery wall it is referred to as hypertension; increased blood pressure (2013). Wetherill also has some insight on hypertension stating that, if the heart must work harder in order to provide the vitality for blood to flow through arteries it may cause heart attacks and strokes to occur (2000). Furthermore, atherosclerosis is another contribution to coronary artery disease. Atherosclerosis is explained to be the hardening of the arteries and as blood pressure increases, artery walls begin to thicken from being overworked resulting in...

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