Which of the following changes can be expected when weaning a patient through a T-tube trial?
I.increase in respiratory rate of 10/min
II.increase in heart rate of 15 to 20/min
III.5 to 10 mm Hg rise in the arterial PCO₂
IV.doubling of the minute ventilation

Question

Quizplus · Accepted Answer

During T-tube trials, patients may experience an increase in respiratory rate, heart rate, and arterial PCO2 due to the increased work of breathing without the assistance of the ventilator. Minute ventilation may also increase, but not necessarily double. Therefore, the correct option is B, which includes all of these expected changes.

Which of the Following Changes Can Be Expected When Weaning