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Intravenous means within or administered through a vein (a blood vessel). The term is often abbreviated I.V..

Additional Info

Intravenous administration of medicines or withdrawal of a blood sample is usually done with a syringe tipped with a small hollow needle. I.V. lines (tubes or catheters) are used when a large volume of fluid (such as a bag of sterile saline) or blood needs to be delivered in a controlled fashion.

Solutions that are administered intravenously must have their electrolytes properly adjusted to avoid damaging the blood cells and/or causing serious bodily damage or death.

Not all injections are intravenous. For example, flu vaccines are administered directly into muscles (intramuscular or IM injection).

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SDS Relevance

On a Safety Data Sheet, this term usually appears in one of two contexts:

  1. In Section 11 (toxicological information) to describe how the LD50 value on a test animal such as a mouse was determined.
  2. In Section 4 (first-aid measures) as instruction for emergency medical personnel to, for example, administer fluids or an antidote.

Further Reading

See also: intraperitoneal, LC50, saline.

Additional definitions from Google and OneLook.

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