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Last Updated: Aug 6th, 2008 - 09:50:39 |
What May Heart diseases cause ?
Arrhythmia (irregular heartbeat) ...
Heart diseases Reasons
Heart diseases may be due to:
Cardiovascular disease: A blueprint for understanding the leading killer
You've seen the stories time and again: Exercise to prevent coronary artery disease. Eat better to reduce your risk of coronary heart disease. Stop smoking to stop heart disease. Lower your cholesterol to lower your odds of developing cardiovascular disease.
Coronary artery disease? Coronary heart disease? Heart disease? Cardiovascular disease? What are all these things? And what's the difference, anyway?
Common Heart Diseases
Coronary heart disease (CHD) and Coronary artery disease (CAD) are the most common forms of heart disease. They are usually part of a systemic cardiovascular disease (CVD) ¨C a narrowing of arteries in the heart and throughout the body over time due to a build-up of fat-plaques (atherosclerosis). This narrowing can significantly limit the amount of blood carried by the arteries and decrease the amount of oxygen supplied to the tissues. In the heart, this can cause intermittent angina (chest pain) upon exercise. Unstable plaques are a major cause of heart attack (myocardial infarction) or other acute coronary syndrome.
What is Heart Disease ?
Heart disease is a general term that refers to a variety of acute and chronic medical conditions that affect one or more of the components of the heart. Located in the left side of the chest cavity, the heart is a muscular, fist-sized organ that continuously pumps blood, beating as many as 100,000 times a day. The blood that the heart moves carries oxygen and nutrients throughout the body and transports carbon dioxide and other wastes away. The heart ensures its own oxygen supply through a set of coronary arteries and veins. The heart is also an endocrine organ that produces the hormones atrial natriuretic hormone (ANP) and B-type natriuretic peptide (BNP), which coordinate heart function with blood vessels and the kidneys.
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