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Polysomnographic Technologists perform sleep diagnostics working in conjunction with physicians to provide comprehensive clinical evaluations that are required for the diagnosis of sleep disorders. By applying non-invasive monitoring equipment, the technologist simultaneously monitors EEG (electroencephalography), EOG (electrooculography), EMG (electromyography), ECG (electrocardiography), multiple breathing variables and blood oxygen levels during sleep.

Interpretive knowledge is required to provide sufficient monitoring diligence to recording parameters and the clinical events observed during sleep. Technologists provide supportive services related to the ongoing treatment of sleep related problems. The professional realm of this support includes guidance on the use of devices for the treatment of breathing problems during sleep and helping individuals develop sleeping habits that promote good sleep hygiene.

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