Obstructed artery

Obstructed artery

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This image is part of the feature World's Top Ten Killers
This image is part of the feature "Catching A Heart Attack"

Credit: SCIENCE PHOTO LIBRARY

Caption: Stenosis. Colour-enhanced angiogram of the heart showing stenosis (obstruction) in a major coronary artery, one of the arteries that supply the heart with blood. The stenosed section of artery is represented by the break in the dark red vessel at top centre. Arteries become obstructed by the build-up of atheroma, a fatty plaque that develops on the inner arterial wall. The result, coronary artery disease, involves a reduction in blood supply to the heart (ischaemia) which may provoke the chest pains of angina pectoris. In severe cases, the total blockage of an artery leads to the death of heart muscle (myocardial infarction), a heart attack.

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Keywords: angiogram, angiography, blockage, blocked, blood vessel, cardiac, cardiology, condition, coronary, coronary artery, coronary artery disease, disease, disorder, healthcare, heart, heart disease, medical, medicine, narrowing, obstruction, stenosis, x-ray, xray

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