K H FUNG / SCIENCE PHOTO LIBRARY K H FUNG / SCIENCE PHOTO LIBRARY
Heart in coronary artery disease. Illustration based on a 3D computed tomography (CT) scan of a human heart affected by coronary artery disease (CAD). This is a condition affecting the coronary arteries that supply blood to the heart muscle. If these arteries (yellow) become blocked or narrowed, this can cause a heart attack (mycardial infarction). The area affected is represented here in red.
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