When called to the bedside by the unit physician requesting…

When called to the bedside by the unit physician requesting an update on your patient’s pulmonary status you notice the following data on the ventilator flow sheet.0700   Vt = 600ml   PIP 25   Plateau 200900 Vt =   600ml   PIP 28   Plateau 231100 Vt =   600ml   PIP 32   Plateau 271300 Vt =   600ml   PIP 35   Plateau 30

The following blood gas results are obtained from a patient…

The following blood gas results are obtained from a patient on volume ventilation in the SIMV modePH             7.52PaCO2      30 PaO2       132HCO3        24BE              0     Which of the following ventilator changes should the respiratory therapist make first?