Positioning

Question 1

What does positioning supine to upright increase?

Answer 1

• Tidal volume
• Total lung capacity
• Vital capacity
• FRC
• Residual volume
• AP diameter of chest
• Diaphragmatic excursion
• Mobilisation of secretions

Question 2

What assists in the decision about positioning?

Answer 2

• Clinical assessment
• X-ray

Question 3

What can positioning allow?

Answer 3

Positioning can re-expand atelectatic lung, but regular position change is needed to prevent atelectasis reappearing in dependent zones.

• Patients are encourage high sitting and to sit out of bed ASAP, and avoid slumping.