Jan 19, 2023 · A VQ scan is a two-part test that providers most commonly use to diagnose a blood clot in your lungs (pulmonary embolism). It measures the airflow (ventilation) and blood flow (perfusion) …

Mar 25, 2026 · What is a ventilation-perfusion scan? The ventilation-perfusion scan is a nuclear scan so named because it studies both airflow (ventilation) and blood flow (perfusion) in the lungs. The initials …

Jun 15, 2025 · A VQ scan is short for Lung or Pulmonary Ventilation (V) and Perfusion (Q) Scans. It’s an imaging test that measures air and blood flow in your lungs.

Mar 17, 2026 · A VQ scan (ventilation-perfusion scan) is a two-part imaging test that checks how well air and blood are flowing through your lungs. It’s most commonly used to detect blood clots in the lungs, …

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.

Sep 4, 2024 · 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).

A VQ scan is a pair of imaging scans that take pictures of your lungs. This is done to check how well air flows into your lungs and how well blood flows through your lungs.

Mar 16, 2025 · What Is a VQ Scan? A VQ scan is actually two separate imaging procedures performed together to create a complete picture of lung function. The “V” stands for ventilation, which measures …

The ventilation part of the test looks at the ability of air to reach all parts of the lungs, while the perfusion part evaluates how well blood circulates within the lungs. In physiology, perfusion is described with …

Aug 1, 2025 · What Is a VQ Scan and Why Is It Performed? A VQ scan, also known as a ventilation-perfusion scan, is a diagnostic imaging test that assesses lung function. This non-invasive procedure …