Type I Sleep Study (Laboratory-based Sleep Test)
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Standard Laboratory based Sleep Study
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Sleep Technician attendance during recording
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Monitors nasal airflow, electroencephalogram (EEG), Electrocardiogram (ECG), Electromyography (EMG), Oximetry, Chest & Abdominal and Leg Movements
Type II Sleep Study (Home-based Sleep Test)
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Comprehensive Portable Home-based Sleep Study
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No Sleep Technician attendance during recording
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Monitors nasal airflow, electroencephalogram (EEG), Electrocardiogram (ECG), Electromyography (EMG), Oximetry, Chest & Abdominal and Leg Movements
The main difference between the Home Sleep Study and the Sleep Laboratory Polysomnogram is not the data, but the technician in attendance all night to adjust electrodes, ensure data quality and observe the activities of the patient both asleep and awake.
Patients with one or more of the below conditions are unsuitable for an In-home Diagnostic Sleep Study investigation and should be directly referred to a Sleep Physician:
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Intellectual disability or cognitive impairment
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Physical disability with inadequate carer attendance
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Significant co-morbid conditions, including neuromuscular disease, heart failure or advanced respiratory disease
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Suspected respiratory failure, where more complex measurements maybe required, including CO2
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Suspected parasomnia or seizure disorder
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Need to accurately record body position
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Previous home study failed or inconclusive
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Unsuitable home environment, including homelessness