[Expert Solution]: Aft er interviewing S

Aft er interviewing S.R., you note the following: S.R. is under considerable stress. He owns his own business. The stress of overseeing his employees, meeting deadlines, and carrying out negotiations has led to poor sleep habits. He sleeps 3 to 4 hours per night. He keeps himself going by drinking ”8 big cups” of coffee and smoking 2 to 3 packs of cigarettes per day. He has gained 50 pounds (22.5 kg) over 2 years, leading to a current weight of 250 pounds (114 kg). He tells you he has difficulty staying awake, wakes up with headaches on most mornings, and has midmorning somnolence. He says he is depressed and irritable most of the time and reports difhculty concentrating and learning new things. He has been in 2 auto accidents in the past year. S.R.’s vital signs are 164/90, 92, 18, and SpOz 90% on room air. His examination findings are normal, except for a few bruises over the right side of the rib cage. You inquire about the bruises, and S.R. reports that his wifejabs him with her elbow several times every night. In her own defense, the wife states, “Well, he stops breathing and l get worried, so ljab him to make him start breathing again. lfl don’tjab him,l find myself listening for his next breath and l can’t go to sleep.” You suspect sleep apnea. 3. Name the 2 main types of sleep apnea and explain the pathology of each. 4. Based on your iindings, which type of sleep apnea do you think S.R. has?