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Courtesy of Intermountain Medical Imaging, Boise, Idaho.
A lung scan is a test that uses a radioactive tracer to look at the lungs. Areas of the lung that retain too much air show up as bright or "hot" spots on the pictures. Areas that are not receiving enough air show up as dark or "cold" spots.
Figure 1 shows normal blood flow in healthy lungs. Figure 2 shows dark areas where blood clots (pulmonary emboli) are preventing normal blood flow through the lungs.
Current as of: July 31, 2024
Author: Ignite Healthwise, LLC Staff Clinical Review Board All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
Current as of: July 31, 2024
Author:
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the . Learn .