V/Q Scan | Ventilation/Perfusion Scan | V/Q Ratio |

Published: 16 June 2023
on channel: BMH learning

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A V/Q scan consists of two imaging tests that look for certain lung problems.

The tests are:

A ventilation scan, which measures how air moves in and out of your lungs

A perfusion scan, which measures circulation that is how blood flows in the lungs

Now The two scans may be done separately or together.

What is it used for?

A V/Q scan is most often used to check for a pulmonary embolism (PE).

Additionally It may also be used to:

Find problems with blood flow in the lungs

Check lung function before lung surgery

Test lung function in people with certain lung diseases, such as COPD

Why & when u need a V/Q scan?

It may be needed if you have symptoms of a pulmonary embolism (PE). These include the following:

Trouble breathing
Chest pain
Coughing or coughing up blood
Rapid heartbeat

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