Introduction to Polysomnography

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A typical polysomnogram (Current Procedural Terminology code 95810) includes recording of an electroencephalography (EEG), an electro-oculogram (EOG), an electromyogram (EMG) of chin muscles, oronasal airflow, chest and abdominal movements, leg movements, snoring, and oximetry. Following is a discussion of some of the aspects of polysomnography.