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.

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 ...