Which of the following are true concerning helium – oxygen t…

Which of the following are true concerning helium – oxygen therapy? the objective of He-O2 therapy is to ventilate the lungs with a lesser degree of effort  helium can support life as a pharmacologic agent patients with diffuse airway obstruction are the primary recipients of He-O2 therapy

While reviewing the chart of a patient receiving postural dr…

While reviewing the chart of a patient receiving postural drainage therapy, you notice that the patient tends to undergo mild desaturation during therapy (a drop in SP02 from 93% to 89% to 90%).  Which of the following would you recommend to manage this problem?