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.
The decision whether or not to require workers to use either surgical masks or respirators must be based upon a hazard analysis of the workers' specific work environments and the different protective properties of each type of personal protective equipment.