General
central line
What does central line mean?
A thin tube inserted into a major vein such as the internal jugular or subclavian to give medications, fluids, or blood products and to monitor central pressures.
"His pressors need a central line, not a peripheral IV."
Origin
So called because the catheter tip sits in a central (great) vein.
Frequently asked questions
What is a central line?
It is a catheter placed in a large vein near the heart, such as the internal jugular or subclavian, used to give medications, fluids, or blood products and to monitor central pressures.
How is a central line different from a peripheral IV?
A peripheral IV sits in a small vein in the arm or hand, while a central line reaches a large central vein, allowing stronger medications like pressors and higher volumes.
Why is it called a central line?
Because the tip of the catheter sits in a central, or great, vein close to the heart rather than a peripheral vein.
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