Volume Restoration Techniques

Question 1

which technique can be used to increase inspired volume?

Answer 1

deep breathing exercises with breath holds (inspiratory hold)

Question 2

what are the 3 aims of deep breathing exercises?

Answer 2

• increase O2 mvt by increasing Vt and FRC
• prevent secondary effects on secretion clearance
• prevent secondary effects onj respiratory load

Question 3

which technique increases FRC?

Answer 3

upright positioning

Question 4

what are the aims and rationale for upright positioning?

Answer 4

• increase FRC
• highest FRC in standing, then upright sitting
• lowest FRC in head down tilt, then supine

Question 5

what is specific positioning used for?

Answer 5

re-expanding localised area where there is loss of volume due to reduced O2 mvt

Question 6

why should the affected part of the lung be positioned uppermost?

Answer 6

• gravity pulls on the uppermost segment
• stretches the alveoli open
• increases compliance and gas mvt to that segment