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.
Wearing masks that cover both the mouth and the nose during surgical procedures has been a routine procedure for almost 90 years. Today, masks are also commonly worn during nonsurgical medical procedures. This is especially valid when airborne-spread diseases are present in a population.