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Polysomnography sleep study Illustration and Icon
Polysomnography sleep study
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A human subject lies supine connected to a polysomnography (PSG) setup used in sleep medicine and physiology. A scalp EEG (electroencephalography) cap records cortical brain activity within the central nervous system, thoracoabdominal belts measure respiratory effort of the lungs in the respiratory system, a nasal cannula monitors airflow at the nares, and a fingertip probe measures SpO2 (peripheral capillary oxygen saturation). This clinical diagnostic procedure in Homo sapiens (human) assesses sleep architecture and detects sleep-disordered breathing, including obstructive sleep apnea (OSA).
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