Extravasation (intravenous)
Extravasation (intravenous)
Extravasation (pronounced: eks-truh-vas-ey-shuhn) is a medical term that refers to the leakage of intravenous (IV) fluids or medication from the vein into the surrounding tissue. This can occur when an IV catheter is dislodged or the vein becomes damaged, causing the IV fluid to leak into the surrounding tissue instead of flowing into the vein as intended.
Etymology
The term 'extravasation' is derived from the Latin words 'extra', meaning 'outside', and 'vas', meaning 'vessel'. It essentially refers to the process of fluid moving outside of the vessel.
Related Terms
- Infiltration (intravenous): This is a similar condition to extravasation, but it involves the leakage of non-vesicant fluids or medication into the surrounding tissue. Vesicants are agents that can cause tissue damage and necrosis if they leak out of the vein.
- Vesicant: A vesicant is a type of chemical agent that can cause severe skin, eye and mucosal pain and damage. They are used in chemotherapy and can cause severe tissue damage if they extravasate.
- Phlebitis: This is inflammation of a vein, often a complication of extravasation. It can cause pain, swelling, and redness in the affected area.
- Necrosis: This is the death of cells or tissues, often a result of severe extravasation, especially when vesicants are involved.
See Also
External links
- Medical encyclopedia article on Extravasation (intravenous)
- Wikipedia's article - Extravasation (intravenous)
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