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Glossary

Arrhythmia – variation from the normal rhythm of the heartbeat.

Atherosclerosis – hardening of the arteries.

Angiogram – X-Ray of the blood vessels in the cardiovascular system using a dye injection or contrast.

Angioplasty – procedure for eliminating areas of narrowing blood vessels by inflation of a balloon within the vessel.

Aneurysm – a weakened, dilated blood vessel that is prone to rupture.

Aortic Valve – the heart valve located between the left ventricle and the aorta.

Atria – the upper chambers of the heart.

CABGCoronary Artery Bypass Grafting a heart surgery procedure which treats the symptoms of CAD.

CADCoronary Artery Disease occurs when arteries become narrowed or constricted due to a build up of plaque deposits.

Catheter – tubular, flexible instrument which is inserted into a body cavity to withdraw or inject fluid.

Catheterization – the passage of a catheter into a channel or cavity in the body.

Catheterization Laboratory – room containing an examination table, high definition X-Ray equipment and monitors to conduct various catheterization procedures.

Coronary – relating to the arteries of the heart.

Coronary Angiogram – X-Ray of the heart using a dye injection or contrast.

Coronary Artery – artery that surrounds the heart supplying blood containing oxygen and nutrients to the heart muscle.

Drug-Eluting Stent – a medicated stent used to prevent restenosis.

ECGElectrocardiogram – recording of the electrical activity of the heart.

Mitral Valve – the heart valve located between the left atrium and the left ventricle.

Myocardial Infarction – commonly known as a heart attack. Process whereby heart muscle dies due to lack of blood supply.

Plaque – a build up of cholesterol, fats, calcium and elements carried in the blood.

Pulmonary Valve – the heart valve which is located between the right ventricle and the pulmonary artery.

Restenosis – the narrowing or closing of an artery that was previously opened by a cardiac procedure such as an angioplasty.

Stenosis – the narrowing or closing of an artery

Stent – device placed in the vessel wall to keep it open.

Tricuspid Valve – the heart valve which is located between the right atrium and the right ventricle.


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