ppaw less than or equal to 18 mm hg ) measuring dynamic ( cdyn ) and static ( cstat ) compliance , airflow resistance across the lungs ( rl ) , shunt fraction ( qs/qt breathing fio2 = 1.0 ) , minute ventilation ( ve ) , ( a/a ) po2 , dead space to tidal volume ratio ( vd/vt ) , airflow ( pneumotachograph ) , transpulmonary pressure ( intratracheal pressure minus esophageal pressure ) and volume ( integrated from flow ) at 50 l/min peak flow rate .
C0024109
lungs
C0035203
breathing