How does a VQ scan work? A healthcare provider performs a VQ scan in two parts, one right after another on the same day. For the first part (ventilation), they’ll have you breathe in a small amount of …

Jun 15, 2025 · How Is a VQ Scan Performed? A VQ scan uses nuclear radiology to scan your lungs. The procedure turns a very small amount of radioactive substance into the examination to scan your …

Dec 2, 2025 · The ventilation scan is performed using radio-isotope labeled aerosols like technetium-99m DTPA delivered to the patient through a non-rebreathing mask, with the patient supine.

The images from a VQ scan help your doctor see if there are any blockages in your lungs. They can use these images to diagnose a pulmonary embolism (blood clot in the lung). During your scan, you’ll lay …

Feb 26, 2018 · A pulmonary ventilation/perfusion (or VQ) scan is a series of two lung scans. The scans are either performed together or one after the other, but are often referred to as one procedure.

A V/Q scan consists of two imaging tests that measure the air and blood flow in your lungs. It's most often used to check for a blood clot (pulmonary embolism).

What is a VQ scan? A ventilation/perfusion (VQ) scan is a test that checks to see if your lungs are getting enough air and blood flow to them. The VQ is a two part test. The first part, called ventilation, …

Learn about the VQ Scan, its purpose, uses, normal values, test results interpretation, and more for a better understanding of your health.

Once the gas is in your lungs, we do a scan where the gamma camera moves around your chest. You can relax and breathe normally while the scan is in progress. The second part of the scan looks at …

Aug 1, 2025 · A VQ scan, also known as a ventilation-perfusion scan, is a diagnostic imaging test that assesses lung function. This non-invasive procedure evaluates how air moves into and out of your …