Bolus (medicine)
Bolus (medicine)
Bolus (pronunciation: /ˈboʊləs/; etymology: Latin bolus, 'a small ball') is a term used in medicine to describe a single, large dose of a drug that is given to a patient for immediate release and absorption. It is often administered intravenously, but can also be given orally or subcutaneously.
Definition
In medicine, a bolus is a large volume of a substance given rapidly, usually intravenously, over a short period of time. It is used to quickly provide a therapeutic dose of a medication, or to provide a diagnostic agent to a patient's circulatory system or tissues.
Usage
The bolus method is often used in situations where a quick response is required, such as in emergency medicine or critical care. It is also used in chemotherapy, where a bolus dose of a drug is given to rapidly kill cancer cells.
Related Terms
- Intravenous therapy: The infusion of liquid substances directly into a vein.
- Chemotherapy: A type of cancer treatment that uses one or more anti-cancer drugs as part of a standardized chemotherapy regimen.
- Drug: A substance used to treat, cure, prevent, or diagnose a disease or to promote well-being.
- Medicine: The science and practice of establishing the diagnosis, prognosis, treatment, and prevention of disease.
See Also
External links
- Medical encyclopedia article on Bolus (medicine)
- Wikipedia's article - Bolus (medicine)
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