What is pulmonary blood flow scan?

Also known as: lung scan.

A pulmonary blood flow scan is an imaging test that is used to check the flow of blood through the lungs. It is a nuclear medicine test, which means that a small amount of radioactive material is injected into the bloodstream in order to enhance the clarity of the images.

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Reviewed by: Antonio Rodriguez, MD

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