In addition, obesity may cause significant restrictive lung physiology and lead to obesity hypoventilation syndrome (OHS). Restrictive lung disease is associated with nocturnal pathophysiology, including sleep disturbances and breathing and oxygenation impairments during sleep.
Droplet precautions are in addition to Standard Precautions. PLUS. Masks and Respirators. Wear a facemask, such as a procedure or surgical mask, for close contact (within 3 feet of the patient) with the patient; the facemask should be donned upon entering the exam room.
There are various procedures and mechanical devices that provide protection against airway collapse, air leakage, and aspiration: 1  Face mask â In resuscitation and for minor procedures under anaesthesia, a face mask is often sufficient to achieve a seal against air leakage.