Ventilation-Perfusion Scan

**Definition:** A two-part radionuclide imaging that measures VENTILATION-PERFUSION RATIO of the lungs often used to investigate PULMONARY EMBOLISM. Image acquisitions may be performed using various combinations of gamma camera, PET and SPECT scanning techniques.

**Tree numbers:** - E01.370.350.710.900 - E01.370.384.730.900 - E01.370.386.700.963

**Synonyms:** - Lung VQ Scan - Ventilation-Perfusion Scintigraphy - VQ Lung Scan - Ventilation Perfusion Lung Scan - Lung Ventilation Perfusion Scans - V-Q Scintigraphy - Pulmonary Ventilation Perfusion Scans