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 ...

According to a study in the September Journal of Nuclear Medicine , young women at risk of a pulmonary embolism should first undergo a ventilation/perfusion lung scan rather than a CT angiogram. “A ...

When you breathe, a certain fraction of your air enters the lungs and blood flows through the capillaries. When this ratio is above or below 0.8, you may have ventilation/perfusion (V/Q) mismatch. A V ...

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, ...

An evaluation to rule out PE during pregnancy is especially challenging due to concerns regarding fetal radiation exposure. Clinical examinations are unreliable, and imaging the patient is essential.

A large New York medical center reduced the number of CT scans and radiation dose delivered to emergency department patients with suspected pulmonary emboli by holding collaborative educational ...

RESTON, Va.—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 (V/Q scan) rather than a CT ...