Identify the Patient Who Could Benefit from Sigh Breaths

Identify the patient who could benefit from sigh breaths.

A) Patient on pressure-controlled continuous mandatory ventilation (PC-CMV) with peak inspiratory pressure (PIP) = 38 cm H₂O
B) Patient on volume-controlled continuous mandatory ventilation (VC-CMV) with a plateau pressure (P_plateau ) = 36 cm H₂O
C) Spontaneously breathing patient receiving continuous positive airway pressure (CPAP)
D) 70 kg ideal body weight (IBW) patient on 400 mL with P_plateau = 25 cm H₂O