<unk>  <unk>  is a respiratory therapy treatment for people who are hypoventilating. While not a preferred method due to cost,<unk>  is used to expand the lungs, deliver aerosol medications, and in some circumstances ventilate the patient. __TOC__
Intermittent positive pressure breathing
Positive airway pressure
Continuous positive airway pressure
Intermittent hypoxic training
Surfactant therapy
Intermittent mandatory ventilation
Mechanical ventilation
High-frequency ventilation