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