Volume expander
Volume Expander
A Volume Expander (pronunciation: /ˈvɒl.juːm ɪkˈspændər/) is a type of intravenous therapy that is used to increase the intravascular volume of an individual. This is often necessary in situations such as shock, burns, or surgery where there is a significant loss of blood or fluid.
Etymology
The term "Volume Expander" is derived from the English words "volume" and "expander". "Volume" (from Latin volumen meaning "roll") refers to the quantity of three-dimensional space, while "expander" (from Latin expandere meaning "to spread out") refers to something that increases in size or volume.
Types of Volume Expanders
There are several types of volume expanders, including:
- Crystalloid solutions: These are solutions of minerals and other water-soluble molecules. Examples include saline solution and Ringer's lactate solution.
- Colloid solutions: These contain larger insoluble molecules, such as gelatin, dextran, and hydroxyethyl starch. They remain in the circulatory system longer than crystalloids.
- Blood products: These include whole blood, packed red blood cells, plasma, and platelets. They are used when blood loss is significant.
Related Terms
- Intravenous therapy
- Intravascular volume
- Shock
- Burns
- Surgery
- Blood
- Fluid
- Crystalloid solutions
- Colloid solutions
- Blood products
External links
- Medical encyclopedia article on Volume expander
- Wikipedia's article - Volume expander
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