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Coronary heart disease refers to the failure of coronary circulation to supply adequate circulation to cardiac muscle and surrounding tissue. It is already the most common form of disease affecting the heart and an important cause of premature death in Europe, the Baltic states, Russia, North and South America, Australia and New Zealand. It has been predicted that all regions of the world will be affected by 2020.It is most commonly equated with atherosclerotic coronary artery disease, but coronary disease can be due to other causes, such as coronary vasospasm.It is possible for the stenosis to be caused by the spasm.

Coronary heart disease (CHD) is the term for atherosclerosis affecting the coronary arteries. It is the single most common cause of death in Europe, responsible for nearly two million deaths a year.36 CHD is caused by atherosclerosis, a chronic process in which lipid-rich plaque forms in the arterial wall.5 Factors that increase a person’s risk of coronary heart disease include a family history of the condition, high cholesterol, high blood pressure, diabetes, and smoking.

When your coronary arteries are narrowed or blocked, oxygen-rich blood can’t reach your heart muscle. This can cause angina (an-JI-nuh or AN-juh-nuh) or a heart attack.

Angina is chest pain or discomfort that occurs when not enough oxygen-rich blood is flowing to an area of your heart muscle. Angina may feel like pressure or squeezing in your chest. The pain also may occur in your shoulders, arms, neck, jaw, or back.A heart attack occurs when blood flow to an area of your heart muscle is completely blocked. This prevents oxygen-rich blood from reaching that area of heart muscle and causes it to die. Without quick treatment, a heart attack can lead to serious problems and even death.

Over time, CAD can weaken the heart muscle and lead to heart failure and arrhythmias (ah-RITH-me-ahs). Heart failure is a condition in which your heart can’t pump enough blood throughout your body. Arrhythmias are problems with the speed or rhythm of your heartbeat.CAD is the most common type of heart disease. It’s the leading cause of death in the United States for both men and women. Lifestyle changes, medicines, and or medical procedures can effectively prevent or treat CAD in most people.

Coronary heart disease (CHD), also called coronary artery disease, affects about 14 million men and women in the United States.

Disease develops when a combination of fatty material, calcium, and scar tissue (plaque) builds up in the arteries that supply the heart with blood. Through these arteries, called the coronary arteries, the heart muscle (myocardium) gets the oxygen and other nutrients it needs to pump blood.

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