title: Changes in respiratory pattern affect dead space/tidal volume ratio during spontaneous but not during controlled ventilation: a study in pediatric patients.
mesh_terms: D000293:Adolescent; D000375:Aging; D000758:Anesthesia; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007432:Intraoperative Period; D007442:Intubation, Intratracheal; D008176:Lung Volume Measurements; D012119:Respiration; D012121:Respiration, Artificial; D012126:Respiratory Dead Space; D013990:Tidal Volume; D013997:Time Factors