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.
Surgical masks provide barrier protection against droplets including large respiratory particles. Most surgical masks do not effectively filter small particles from the air and do not prevent leakage around the edge of the mask when the user inhales.