extravasate
/eks,trævəgeit/
Học thuậtThân thiện
Definition
Verb (Transitive):
- To force out or cause to escape from a proper vessel or channel: In medical contexts, this refers to the escape of a fluid, such as blood or an intravenous drug, from its contained vessel into the surrounding tissue.
- To cause molten material, such as lava, to pour forth: In geology, this describes the action of causing volcanic material to erupt or flow out onto the surface.
Verb (Intransitive):
- To become active and spew forth lava and rocks: Used in geology to describe a volcano erupting.
- To escape from a proper vessel or channel: Used in medicine to describe the process where a fluid leaks out from its intended container.
Examples of Usage
Verb (Transitive):
- The nurse was careful not to extravasate the chemotherapy drug from the vein. (Medical: to cause to escape from a vessel)
- The volcanic pressure extravasated lava across the ancient plain. (Geology: to cause molten material to pour forth)
Verb (Intransitive):
- The volcano began to extravasate, covering the slopes with ash. (Geology: to spew forth lava)
- If the IV line is damaged, the solution can extravasate into the patient's arm. (Medical: to escape from a vessel)
Advanced Usage
Technical/Medical Jargon: The term is most commonly used in clinical settings to describe a specific complication of intravenous therapy.
- The medical team monitored the site closely for signs that the contrast dye might extravasate.
Technical/Geological Jargon: Used in scientific descriptions of volcanic activity.
- The fissure extravasated basaltic magma over a period of several weeks.
Variants and Related Words
- Extravasation (n): The process or result of extravasating.
- The patient experienced pain due to the extravasation of the medication.
- The extravasation of lava formed a new flow field.
Synonyms
- Verb (Medical context): Leak, seep, escape, exude.
- Verb (Geological context): Erupt, spew, eject, discharge.
Related Phrases
- "To extravasate from": To leak out from a specific source.
- Blood can extravasate from a ruptured capillary.
- "Risk of extravasation": A common phrase in healthcare warning of the potential for fluid to escape.
- This medication carries a high risk of extravasation and must be administered with care.
Notes on Meaning
- The primary and most frequent use of extravasate is in medical terminology. The geological usage is highly specialized and less common in everyday language.
- The word implies an abnormal or forced escape from a confined space, distinguishing it from a simple, controlled flow.
Verb
- geology: cause molten material, such as lava, to pour forth
- become active and spew forth lava and rocks
- Vesuvius erupts once in a while
- force out or cause to escape from a proper vessel or channel