1.Introduction
Heart is a manage that circulates squanderer to lungs and rest of the body. The surface of tit is covered with parentage vessels called coronary arteries, which supply your heart muscle with blood. Coronary heart disease happens when generativety deposits build up on the walls of your coronary arteries. This is known has atherosclerosis. CHD is the abbreviation of coronary heart disease.
In atherosclerosis, fat and cholesterol in blood builds up on the arteria walls, forming a plaque or atheroma. The plaque bear preclude heart muscle from getting the blood supply it needs. Because of the reduce blood flow and the rough edges of the plaque, a blood congest sometimes forms, blocking the artery.
sometimes the plaque may rupture, which as well as causes blood to clot. This is called atherothrombosis. Atherothrombosis stops an area of heart muscle receiving blood and oxygen, leading to a heart attack. If a lot of heart muscle is damaged, the heart may stop beating regularly. Sometimes the damage causes the heart to stop beating altogether, which is fatal.
A coronary artery affected by arthrosclerosis
2. Symptoms of coronary heart disease
Coronary heart disease develops slowly over some(prenominal) years. In some people, bastard when exercising is the only symptom.
spate may not know anything is wrong until heshe develops angina (chest pains) or have a heart attack. These are the master(prenominal) symptoms of CHD
2.1 angina
Angina is the feeling of chest pain, chest tightness, and sometimes breathlessness or choking. It happens when blood flow in the pulmonary arteries is restricted.
Angina typically starts while walking or feeling upset. It can also be brought on afterwards a meal and by cold weather. Symptoms include:
* Discomfort or a tightening across upper chest - this may be confused with indigestion
* Pain radiating to neck, jaw, throat, back or arms for a few minutes, disappearing quickly after resting
* breathlessness
* sweatiness...If you want to get a full essay, order it on our website: Orderessay
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