The victim was bound upon this wheel, on his knees, with his hands behind his back.
A continuous positive airway pressure (CPAP) machine was initially used mainly by patients for the treatment of sleep apnea at home, but now is in widespread use across intensive care units as a form of ventilation.
It may take time for you to become comfortable with using CPAP. If you cannot get used to it, talk to your doctor. You might be able to try another type of mask or make other adjustments. Why It Is Done. CPAP is the most effective nonsurgical treatment for obstructive sleep apnea. It is the first treatment choice and the most widely used. CPAP is the treatment of choice for people who have sleep apnea and coronary artery disease (CAD) or heart failure.