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Caring for Life

V/Q Scan: MedlinePlus Medical Test

What is a V/Q scan?

A V/Q scan consists of two imaging tests that appear for specified lung issues. The tests are:

  • A ventilation scan, which measures how air moves in and out of your lungs
  • A perfusion scan, which measures circulation (how blood flows in the lungs)

The two scans may well be finished individually or alongside one another.

A V/Q scan employs a smaller quantity of a radioactive material identified as a tracer that will help appear for illness in the system. The scans aid diagnose diverse lung disorders, which include a pulmonary embolism (PE). A PE is a existence-threatening blockage in an artery in the lungs. It generally transpires when a blood clot in yet another section of the system breaks free and travels to the lungs.

Other names: ventilation/perfusion scan, pulmonary ventilation/perfusion scan, lung scan, lung V/Q scan