CORRECT SOLUTIONS!!
What is recognized as an important and significant symptom in medicine?
Answer - chronic excessive daytime sleepiness
What should EDS be differentiated from? Answer - Fatigue - normal reaction to
intense physical exertion, emotional strain or lack or rest
Tiredness
Lassitude - weakness; exhaustion
List examples of the link between sleepiness and life-threatening events.
Answer - automobile accidents
occupational accidents
lost jobs
disrupted family life
Describe an MSLT? Answer - a test of rapidity with which a subject falls asleep
in a standardized, sleep-conducive setting, repeated at 2 hour intervals
throughout the day
What is documented in an MSLT? (3) Answer - rate of sleep onset
appearance of rapid eye movement episodes at sleep onset (every nap)
MSLT is the standard method in clinical sleep disorders medicine for
documenting what? Answer - complaints of EDS and to document treatment
success
, What is a diagnostic sign of narcolepsy? Answer - sleep-onset REM periods
What does an MSLT measure? Answer - an individuals ability to fall asleep, or
sleep tendency
What is the recording montage for MSLT? Answer - standard AASM montage
referential EEG from a central (C3 or C4) placement
referential occipital EEG lead (O1 or O2) placement
two horizontal referential EOG's from right and left outer canthi
mental or submental EMG
AASM practice parameters do not yet state that F3 and F4 are required during
the MSLT, but are recommended by most labs
What are the general procedures for MSLT to ensure reliability and validity?
(What is done ahead of time in preparation?) Answer - 1 or 2 week sleep diary
recorded before the test including info on:
usual bedtime
time of arising
napping
drug use (caffeine, alcohol, illicit and licit drugs)
deviations from the subjects sleep habits
What is the general procedure for CNS active drugs? Answer - 1. being on
them, or discontinuing them can alter sleep and REM latencies
2. should be discontinued sufficiently well in advance of the test