ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Atheroma in brachiocephalic artery. Coloured angiogram (blood vessel X-ray) of the supra-aortic arteries in a 69-year-old man, with an atheromatous plaque (atheroma, dark spot, centre left) on the wall of the brachiocephalic artery. This artery is just above the heart, with the aortic arch at bottom centre. This patient has arterial hypertension (high blood pressure) and hypercholesterolemia (high cholesterol levels). Atheroma plaques occur in conditions such as atherosclerosis, where the arteries harden and narrow. This can lead to strokes and heart attacks.
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