Note that inspiratory flow is constant while pressure increases until the start of expiration. Also, there is no negative deflection before each breath, as the breaths are not initiated by the patient. Vt 700 mL, RR 15, I:E 1:2, PEEP 5 cm H2O. Reproduced with permission from Hess DR, MacIntyre NR, Mishoe SC, et al, eds. Respiratory Care: Principles and Practice. Philadelphia: WB Saunders; 2002:786–791. © Elsevier.