SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Angiography. A patient is prepared to undergo a coronary angiography examination. This involves inserting a catheter into a vein in the groin and feeding it up toward the heart. Once there, a radio-opaque dye is injected allowing the blood vessels to be seen in X-rays. Photographed in the Kaliningrad Federal Centre of Cardiovascular Surgery, Russia.
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