Ga68 V/Q PET/CT for Pulmonary Embolism Diagnosis: a Diagnostic Accuracy Study Vs CT Pulmonary Angiography

Ventilation images are acquired after inhalation of Galligas prepared using a Technegas generator (Cyclopharm, Sydney, Australia). The patients is placed in a supine position and inhaled Galligas using the standard ventilation technique. Ventilation images are then acquired. Without the patient moving, 68Ga-MAA are then injected. Perfusion PET images are then acquired

CTPA will be done according to the usual protocol in the radiology department of the investigator center