What are the AASM guidelines for polysomnography in the diagnosis of obstructive sleep apnea (OSA)?

Updated: Sep 15, 2020
  • Author: Himanshu Wickramasinghe, MD, MBBS; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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The American Academy of Sleep Medicine guidelines for the indications and performance of polysomnography include the following [2] :

  • Sleep stages are recorded via an electroencephalogram, electro-oculogram, and chin electromyogram

  • Heart rhythm is monitored with a single-lead electrocardiogram

  • Leg movements are recorded via an anterior tibialis electromyogram

  • Breathing is monitored, including airflow at the nose and mouth (using both a thermal sensor and a nasal pressure transducer), effort (using inductance plethysmography), and oxygen saturation

  • The breathing pattern is analyzed for the presence of apneas and hypopneas (as per definitions standardized by the American Academy of Sleep Medicine)

See Workup for more detail.

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