DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Inserting a central line. Doctor using an ultrasound transducer (in hand at right) to guide the insertion of a central line. A central line, also known as a central venous catheter, is used to administer drugs and fluids or take blood samples directly from a vein. This central line will be placed into the internal jugular vein in the neck, prior to surgery.
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