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Sampling rates and filter settings for routine polysomnography recordings

Sampling rates and filter settings for routine polysomnography recordings
  Desirable sampling rate (Hz) Minimal sampling rate (Hz) Low frequency filter (Hz) High frequency filter (Hz)
EEG 500 200 0.3 35
EOG 500 200 0.3 35
EMG 500 200 10 100
ECG 500 200 0.3 70
Airflow 100 25 0.1 15
Oximetry, transcutaneous PCO2 25 10 – –
Nasal pressure 100 25 DC or ≤0.03 100
End-tidal PCO2 100 25 – –
PAP device flow 100 25 DC DC
Esophageal pressure 100 25 – –
Body position 1 1 – –
Snoring 500 200 10 100
Chest and abdominal belts 100 25 0.1 15
EEG: electroencephalography; EOG: electrooculography; EMG: surface electromyography; ECG: electrocardiography; DC: direct current; PCO2: partial pressure of carbon dioxide; PAP: positive airway pressure.
Modified with permission from: Berry RB, Brooks R, Gamaldo CE, et al for the American Academy of Sleep Medicine. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2, American Academy of Sleep Medicine, Darien, IL 2015. p.12. Copyright © 2015 American Academy of Sleep Medicine.
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