Which of the following is increased in elderly patients compared with their younger counterpas
The propensity for air trapping is increased with age. In contrast, the vital capacity (A), aerial oxygen tension (C), and ventilatory response to hypoxia or hypocarbia are decreased with age.
Vital capacity
Ventilatory response to hypoxia or hypercarbia
Air trapping
Resting aerial oxygen tension (PaO2 )
Preoperative assessment and monitoring in anaesthesia