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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: Acad Radiol. 2009 Mar 5;16(6):718–725. doi: 10.1016/j.acra.2008.12.003

Figure 4.

Figure 4

Colormaps showing the apex to base distribution of sV̇ in subject 2 at tidal volumes of 220 and 400 ml, rate 30 breaths/minute, and 7.5 cm H2O PEEP. Note the overall increase in ventilation at the higher Vt as well as the strong vertical gradient in sV̇ seen during CV.