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contentuptodate· Content· item f41_25_42396

©2013 UpToDate ® Print Email Effect of body position on airway size Oropharyngeal area in the seated and supine positions during wakefulness. The airway size falls in the supine position. Redrawn from Martin SE, Marshall I, Douglas NJ, Am J Respir Crit Care Med 1995; 152:721.