What are blood transfusions?

Also known as: transfusion of blood.

A blood transfusion is when blood is infused into the body to replace missing blood. This often occurs after an injury or as part of a surgical procedure. The blood used is often donated by someone else.

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Reviewed by: Marcos A Mestre, MD

This page was last updated on: 1/29/2019 3:21:13 PM