blood in iv line?

Flushing and Blood Withdrawal from a Central Line

Medicine and fluids are often given directly into a blood vessel through an IV (intravenous) tube, or catheter. Extravasation (say “ex-truh-vuh-SAY-shun”) is leakage of fluid in the tissues around the IV site. It happens when the catheter has come out of the blood vessel but is still in the nearby tissue.

Drawing Blood From an IV Line Without Hemolysis

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