A patient with heart failure is receiving positive-pressure…

A patient with heart failure is receiving positive-pressure ventilation and has a pulmonary artery catheter in place. The patient’s peak pressure is 30 cmH2O, and plateau pressure is 25 cmH2O. The patient’s pulmonary artery pressure is 38/32 mmHg, and pulmonary capillary wedge pressure is 28 mmHg. The respiratory therapist should recommend which of the following?