Introduction
In today’s society, people are gaining medical knowledge at quite a fast pace. Treatments, cures, and vaccines for various diseases and disorders are being developed constantly, and yet, coronary disease remains the number one killer in the world.
The media today concentrates intently on drug and alcohol abuse, homicides, AIDS, and so on. What a lot of people aren’t realizing is that coronary disease actually accounts for about 80% of sudden deaths. In fact, the number of deaths from heart disease approximately equals to the number of deaths from cancer, chronic lung disease, pneumonia and influenza, and others combined.
One of the symptoms of coronary disease is angina pectoris. Unfortunately, a lot of people do not take it seriously, and thus not realizing that it may lead to other complications, and even death.
The Human Heart
In order to understand angina, one must know about our own heart. The human heart is a powerful muscle in the body which is worked the hardest. A double pump system, the heart consists of two pumps side by side, which pump blood to all parts of the body. It’s steady beating maintains the flow of blood through the body day and night, year after year, nonstop from birth until death.
The heart is a hollow, muscular organ slightly bigger than a person’s clenched fist. It is located in the center of the chest, under the breastbone above the sternum, but it slightly slanted to the left giving people the impression that the heart is on the left side of the chest.
The heart is divided into two halves, which are further divided into four chambers: the left atrium and ventricle, and the right atrium and ventricle. Each chamber on one side is separated from the other, by a valve, and it the closure of these valves that produce the “lubb-dubb” sound so familiar to us.
Like any other organs in our body, the heart needs a supply of blood and oxygen, and coronary arteries supply them. There are two main coronary arteries, the left coronary artery, and the right coronary artery. They branch off the main artery of the body, the aorta. The right coronary artery circles the right side and goes to the back of the heart....
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...ll gland at the base of the brain, under the control of the hypothalamus, can signal the adrenal glands to increase the production of stress hormones such as cortical and adrenaline even further.
Conclusion
Angina pectoris is not a disease which affect a person’s heart permanently , but to encounter angina pain means something is wrong. The pain is the heart’s distress signal, a built-in warning device indicating that the heart has reached its maximum workload. Upon experiencing angina, precautions should be taken.
A person’s lifestyle plays a major role in determining the chance of developing heart diseases. If people do no learn how to prevent it themselves, coronary artery diseased will remain the as the single biggest killer in the world, by far.
Reference
Amsterdam, Erza A. and Ann M. Holms. Take Care of Your Heart, New York , Facts on File , 1999
Houston, B. Kent and C.R. Snyder. Type A Behavior Pattern, John Wiley and Sons Incorporated, 1996
Tiger, Steven Heart Disease, New York, Julian Messner, 2003
Angina Pectoris:
The Heart Killer
By Cherlaine Ordona
Coronary artery disease is a heart disease characterized by narrow arteries and restricted blood flow in arteries and is the major cause of morbidity and mortality globally.[1] According to WHO estimation, 6.8% in men and 5.3% in women are affected globally.[2-4] Cardiovascular disease account for 29% of all deaths in Canada; of all the cardiovascular death, 54% and 23% was due to ischemic heart disease and heart attack, respectively. The total costs for heart disease and stroke were more than $20.9 billion every year. [5,6] With more than 1 artery impacted, multivessel coronary artery disease is more complex and more likely accompanied by other comorbidities including diabetes or high blood pressure; multivessel coronary artery disease usually is more difficult to deal with, has worse prognosis and cost more compared with single coronary artery disease. [7]
Today, cardiovascular disease is “the number one killer in the United States and the developed world” (Sapolsky, 2004, p. 41). Coronary heart disease (CHD) is the most common form of cardiovascular disease, and is responsible for claiming an unreasonable amount of lives every year. CHD can begin to accumulate in young adults, but is prominently found in both men and women in their later adult lives. As a result of CHD, men typically experience heart attacks, whereas women present with chest pains, known as angina (Matthews, 2005).
In order for the heart to function properly the coronary arteries should be constantly supplying oxygen, if any of these arteries becomes blocked we experience angina, injury to the heart muscle, heart attack and in worst cases heart failure and death. Disease of the coronary arteries is the number one of all the heart diseases and the leading
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The heart serves as a powerful function in the human body through two main jobs. It pumps oxygen-rich blood throughout the body and “blood vessels called coronary arteries that carry oxygenated blood straight into the heart muscle” (Katzenstein and Pinã, 2). There are four chambers and valves inside the heart that “help regulate the flow of blood as it travels through the heart’s chambers and out to the lungs and body” (Katzenstein Pinã, 2). Within the heart there is the upper chamber known as the atrium (atria) and the lower chamber known as the ventricles. “The atrium receive blood from the lu...
What is coronary heart disease (CHD)? It is a disease when plaque gets built up in the coronary arteries; and the job of the arteries are to provide rich-oxygenated blood to the heart muscle. Built plaque in the arteries leads to atherosclerosis and the plaque that is built can result from over the years. Throughout the years, the plaque tends to get hard or can rupture. If hardened, the arteries are now narrow and have weakened the flow of blood that travels to the heart. Blood clots can form from the plaque rupturing which can cause a great chance for the blood flow to be mostly blocked or blocked altogether. There are other names for coronary heart disease such as coronary artery disease, atherosclerosis, ischemic heart disease, etc.
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