How does chd occur

The graft may come from the leg, for example, or an inner chest wall artery. Another option is angioplasty and stent placement. A surgeon will insert a catheter into the narrowed part of the artery and pass a deflated balloon through the catheter to the affected area. When they inflate the balloon, it compresses the fatty deposits against the artery walls.

They may leave a stent, or mesh tube, in the artery to help keep it open. On rare occasions, a person may need a heart transplant. However, this is only if the heart has severe damage and treatment is not working. Here, learn more about treating a heart attack. To better control blood cholesterol levels, consider:. Having high levels of lipoprotein a specifically is also linked to a higher risk of cardiovascular disease and CAD.

A doctor can perform a physical examination, take a thorough medical history, and order a number of tests to diagnose CHD and other types of heart disease. Example of tests include:.

CAD develops when coronary arteries develop cholesterol deposits in their walls. The condition causes blockages in the arteries that feed oxygen-rich blood to the heart; the arteries also stiffen and inflammation increases.

CAD can be difficult to treat and may lead to a heart attack or stroke. However, people can take steps to reduce their risk of CAD by getting regular exercise, adopting a healthy diet, and avoiding or quitting tobacco. People should seek immediate medical attention if they have chest pain and breathlessness, as this could indicate a heart attack.

High cholesterol is a risk factor for heart attacks and coronary heart disease, because it builds up in the arteries, narrowing them. It does not…. In this article, we look at a variety of lifestyle changes and natural supplements that help lower cholesterol levels and reduce the risk of heart…. This process is called circulation. The heart gets its own supply of blood from a network of blood vessels on the heart's surface called coronary arteries.

This video shows how your heart works and what happens when your coronary arteries stop functioning properly. Page last reviewed: 10 March Next review due: 10 March Information: Coronavirus advice If you have heart disease and you're worried about coronavirus, you can get advice about coronavirus and heart disease from the British Heart Foundation.

Video: coronary arteries and heart disease This video shows how your heart works and what happens when your coronary arteries stop functioning properly. Media last reviewed: 14 May Media review due: 14 May This can also be done while resting using special medicines that can synthetically place stress on the heart.

Cardiac catheterization. With this procedure, a wire is passed into the coronary arteries of the heart and X-rays are taken after a contrast agent is injected into an artery. It's done to locate the narrowing, blockages, and other problems. Nuclear scanning. Radioactive material is injected into a vein and then is observed using a camera as it is taken up by the heart muscle. This indicates the healthy and damaged areas of the heart.

Modification of risk factors. Risk factors that you can change include smoking, high cholesterol levels, high blood glucose levels, lack of exercise, poor dietary habits, being overweight, and high blood pressure.

These decrease blood clotting. Aspirin, clopidogrel, ticlopidine, and prasugrel are examples of antiplatelets. These lower lipids fats in the blood, particularly low density lipid LDL cholesterol. Statins are a group of cholesterol-lowering medicines, and include simvastatin, atorvastatin, and pravastatin, among others. Bile acid sequestrants--colesevelam, cholestyramine and colestipol--and nicotinic acid niacin are other medicines used to reduce cholesterol levels.

These lower blood pressure. Several different groups of medicines work in different ways to lower blood pressure. Coronary angioplasty. With this procedure, a balloon is used to create a bigger opening in the vessel to increase blood flow. Although angioplasty is done in other blood vessels elsewhere in the body, percutaneous coronary intervention PCI refers to angioplasty in the coronary arteries to permit more blood flow into the heart. MyMarathon MyMarathon.

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