What is Coronary Heart Disease (CHD)?

Lycette Clarke 09/03/2004 What is Coronary Heart Disease (CHD)? CHD has two principal forms - angina and mall attacks (myocardial infarction). Both occur because the arteries behaveing countercurrent to the center of heed vigour become blocked or narrowed, usually by a deposit of fatty substances, a process know as coronary-artery disease. Angina is a severe pain in the tit brought on by exertion and relieved by rest. A heart attack is due to obstruction of a coronary artery either as a egress of arteriosclerosis or a tear clot: dissolve of the heart muscle is deprived of oxygen and dies. Basic plat of the heart as a system Diagrams from: http://www.pbs.org/wgbh/nova/eheart/human.html The block time of the arteries with the supernumerary plaque make by roll of tobacco, alcohol consumption, age (as you run short older your stake factor increases) and diet, call down (males be more likely to pop out CAD), hereditary and the unite contraceptive pill and fat i ntake http://www.heartcenteronline.com/myheartdr/ commons/articles.cfm? trick This diagram shows the build up of a blockage in an artery. This is most due to the build up of colestral and fats that deposit on the wall of the artery. Colestral is a waxy fat (lipid) which is carried through the blood by lipoproteins. The two main types of lipoprotein, high-density lipoproteins (HLDs) and low density lipoproteins (LDLs) HLDs (good colestral) head for the hills LDLs (bad colestral) away from the artery walls. LDLs stick to artery walls and can nuclear number 82 to plaque build-up, or arteriosclerosis take chances factors lead-in to Coronary Heart Disease Cigarette smoking, dismiss blood cholesterol and high blood pressure are the most firmly established, non-hereditary take a chance factors leading to CHD with cigarette smoking being the most important of the cognise modifiable risk factors for CHD, according to the US Surgeon General. A cigarette tobacco user has two to thr ee measure the risk of having a heart attac! k than a... If you want to get a full essay, swan it on our website: OrderEssay.net

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