SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Editorial use only.
Angiography. A patient awaiting the start of an angiography examination. Angiography is an X-ray technique used to study the function of blood vessels. Typically a radio-opaque dye, called a contrast medium, is injected into the blood to make the vessels stand out in the X-ray image. Photographed in Yekaterinburg, Russia.
Model release not available. Property release not available.