A 50-year-old woman on ICU is ventilated. The team measures her P0.1 (airway occlusion pressure at 100 ms) to assess respiratory drive. The P0.1 is 6 ...

Question

A 50-year-old woman on ICU is ventilated. The team measures her P0.1 (airway occlusion pressure at 100 ms) to assess respiratory drive. The P0.1 is 6 cmH2O (normal 1-2 cmH2O). What does this indicate?

Accepted Answer

Elevated respiratory drive - P0.1 >3.5 cmH2O suggests high respiratory drive, which may contribute to P-SILI (patient self-inflicted lung injury) in ARDS and predict weaning difficulty

Answer

Normal respiratory drive

Answer

The patient has auto-PEEP

Answer

P0.1 is unreliable in ventilated patients

Answer

Low respiratory drive

uk-fficm MCQ (SBA): Respiratory Drive Assessment

A 50-year-old woman on ICU is ventilated. The team measures her P0.1 (airway occlusion pressure at 100 ms) to assess respiratory drive. The P0.1 is 6 cmH2O (normal 1-2 cmH2O). What does this indicate?