Lung ventilation imaging

Lung ventilation imaging shows the distribution of lung ventilation by inhaling 99m 溶胶 labeled aerosol or radioactive gas (such as 81s 氪). It is clinically used to understand the patency of the respiratory tract and the ventilation function of various lung diseases. It can also be used to evaluate the local pulmonary ventilation function before and after medication or surgery to guide the treatment and observe the effect. Diagnosis and differential diagnosis of pulmonary embolism and obstructive pulmonary disease.

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