PSG Boards Exam Study Guide

A patient with a history of obesity, snoring, and excessive daytime sleepiness is referred by their Primary Care Physician for a psg. the intake reveals frequent naps, caffeine use throughout the day and evening, a variable bedtime, and a score of 18/24 on the Epworth Sleepiness Scale. The patient has an overall AHI of 4, an arousal index of 5, and sleep efficiency of 56%. What is the Most Likely cause of excessive daytime sleepiness in the patient. - Poor sleep hygiene What is the BEST response when a patient asks the technologist if they have sleep apnea and will need to wear a CPAP mask. - Provide the patient with educational material about sleep apnea When reviewing a patient's history in preparation for a psg, physiologic findings suggestive of hypoventilation include: - hypoxemia and hypercapnia