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Fig. 4 | Intensive Care Medicine Experimental

Fig. 4

From: Dynamic single-slice CT estimates whole-lung dual-energy CT variables in pigs with and without experimental lung injury

Fig. 4

Variation in the means of eight studied variables between three adjacent 5-mm juxtadiaphragmatic dynamic CT slices acquired concurrently. Values are presented relative to the mean value in the most caudal slice. a Mean slice density, b results of the three-material differentiation and c following segmentation based upon gas density. A good correlation was seen between cranio-caudal position and CT density, gas and normally aerated volume fractions. Points and error bars represent mean and SD of 13–16 frames (dependent on exclusion of frames mid-way between expiration and inspiration) in 12 ventilatory conditions in 8 animals. Caud caudal slice, Mid middle slice, Cran cranial slice

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