REM Sleep Behavior Disorder: How do we decide if REM EMG activity is excessive? S5-Ep10

The diagnosis of REM sleep behavior disorder needs, in addition to dream enactment behavior, a determination that EMG activity is excessive during REM sleep. But what is excessive? In this podcast, we discuss how a practicing polysomnographer can make this determination. 00:38 Introduction to today's topic and introducing Dr. Erik St. Louis 01:21 The difference between REM sleep behavior disorder and REM sleep without atonia 03:07 Should additional muscle channels be added when we're suspecting REM sleep behavior disorder? 04:55 Do we need to formally quantitate the amount of muscle activity during REM sleep? 06:12 I'm interested in the REM sleep in terms of the atonia only in the second half of the sleep study... 07:05 How do we determine whether EMG activity is quantitatively excessive on a single 32nd epoch? 10:22 Clinically it doesn't take that long once you get used to it, do you agree? 12:20 Can you explain how appropriate cutoff values are sort of determined for different uses? 16:16 What simple metrics would you suggest for practicing polysomnographers? 18:45 Final messages From Mayo Clinic to your inbox, sign-up for free: https://mayocl.in/3e71zfi Visit Mayo Clinic: https://mayocl.in/2COVmlm Like Mayo Clinic on Facebook:   / mayoclinic   Follow Mayo Clinic on Instagram:   / mayoclinic   Follow Mayo Clinic on X, formerly Twitter: https://x.com/MayoClinic Follow Mayo Clinic on Threads: https://www.threads.net/@mayoclinic