P1: OXT/OZN/JDO P2: PSB
0521779407-E-01 CUNY1086/Karliner 0 521 77940 7 June 4, 2007 21:10
Excessive Daytime Sleepiness Exfoliative Dermatitis 561
tests
■Lab testing unremarkable
■Brain imaging normal
■Sleep lab studies helpful if sleep apnea or restless legs syndrome
suspected
differential diagnosis
■Sleep deprivation excluded by history
■Sleep apnea & narcolepsy diagnosed by history & sleep study
■Meds or drugs (esp benzodiazepines, antidepressants, narcotics,
antihistamines, some antihypertensives, anticonvulsants, alcohol)
excluded clinically
■Hypothyroidism, anemia, renal or hepatic failure, diabetes, pul-
monary insufficiency excluded clinically
■Periodic limb movements in sleep (assoc w/ restless legs syndrome)
excluded by history & sleep study
■Anxiety disorders & depression excluded clinically
management
■Depends on cause
specific therapy
■Narcolepsy: see “Narcolepsy” section
■Sleep apnea
➣Avoid alcohol & other CNS depressant drugs
➣CPAP-assisted ventilation at night
➣Uvulopalatopharyngoplasty
follow-up
■Depends on severity & cause
complications and prognosis
■Depend on cause
Exfoliative Dermatitis.................................
J. MARK JACKSON, MD
history & physical
■History – pruritic eruption, patient may consider contact as a possi-
bility