The physician orders the following mechanical ventilation settings for a patient who weighs 75 kg.The patient's spontaneous respiratory rate is 22 breaths/min.What arterial blood gas abnormality may occur if the patient continues to be tachypneic at these ventilator settings? Settings:

Tidal volume: 600 mL (8 mL per kg)
FiO₂: 0.5
Respiratory rate: 14 breaths/min
Mode assist/control
Positive end-expiratory pressure: 10 cm H₂O

Question

Quizplus · Accepted Answer

Assist/control ventilation may result in respiratory alkalosis,especially when the patient is breathing at a high rate.Each time the patient initiates a spontaneous breath-in this case 22 times per minute-the ventilator will deliver 600 mL of volume.

The Physician Orders the Following Mechanical Ventilation Settings for a Patient