The basis of pulmonary scintigraphy is the detection of gamma rays emitted from the lung after administration of a radioactive tracer.
See Lung Scintigraphy.

See also Aerosol Ventilation Scintigraphy, Gas Ventilation Scintigraphy, Pulmonary Perfusion Scintigraphy, Computed Tomography Pulmonary Angiography and Lung Imaging.

A mismatch describes an activity loss in lung perfusion scintigraphy combined with normal ventilation scintigraphy, e.g. in case of pulmonary embolism.