How Does a VQ Scan Work? The VQ scan is a nuclear scan. It measures airflow, called ventilation, and blood flow, called perfusion, in your lungs. The V and Q make up a math equation that helps doctors ...

Young women at risk of having a pulmonary embolism -- a potential life-threatening blockage in a lung artery -- should first undergo a ventilation/perfusion lung scan rather than a CT angiogram, ...

MDCT pulmonary angiography is replacing the ventilation-perfusion lung scan to diagnose suspected pulmonary embolism in hospitalized patients, say researchers from Rhode Island Hospital in Providence.

Comparison with ground truth: Neural network-produced CT ventilation images (a–c) and Galligas PET ventilation images (d–f) for a high-correlation case. (Courtesy: CC BY 4.0/Med. Phys.

Rapid and accurate diagnosis of pulmonary embolism will improve survival and quality of life because treatment decreases mortality and the likelihood that thromboembolic pulmonary hypertension or the ...