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Purpose
Measure the changes in relative lung water density (rLWD), lung volume, and total lung water content as a function of time after supine body positioning.
Methods
An efficient ultrashort‐TE pulse sequence with a yarnball k‐space trajectory was used to measure water density–weighted lung images for 25 min following supine body positioning (free breathing, 74‐s acquisitions, 3D images at functional...