October 2009, Volume 39 Number 10 , p 26 - 27
EXTRAVASATION—the infiltration of a vesicant drug from an I.V. line into surrounding tissue—can occur with either a peripheral or a central venous catheter. This article describes prevention and management of extravasation from a peripheral catheter.
Extravasation occurs when a peripheral catheter erodes through the vessel wall at a second point, when increased venous pressure causes leakage around the original venipuncture site, or when a needle pulls out of the vein. Signs and symptoms of extravasation include edema and changes in the site's appearance and temperature, such as ...