Sleep Diagnosis and Therapy

Official Publication of the American Sleep and Breathing Academy

electromygram

How Reliable is the Diagnosis of Positional Obstructive Sleep Apnea? – Helen S. Driver, Farzad Saberi, Neela Chatha, Alison M. Urton, Peter Munt and Michael F. Fitzpatrick

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Helen S. Driver, Farzad Saberi, Neela Chatha, Alison M. Urton, Peter Munt and Michael F. Fitzpatrick Abstract Objectives: To examine the reliability of a diagnosis of positional obstructive sleep apnea (OSA), with an apnea hypopnea index (AHI) for lateral sleep less than half the supine AHI (S-AHI) and less than 15 per hour, in patients using positional therapy for a full … [Read more...] about How Reliable is the Diagnosis of Positional Obstructive Sleep Apnea? – Helen S. Driver, Farzad Saberi, Neela Chatha, Alison M. Urton, Peter Munt and Michael F. Fitzpatrick

Computer-Assisted Sleep Staging – Rajeev Agarwal

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Rajeev Agarwal Introduction When assessing the polysomnographic recordings, it has become the norm to break the data into 20 or 30 second epochs which are subsequently labeled as one of the sleep stages defined by a scoring standard. For a full nocturnal recording, this can involve a large number of epochs that are typically on the order of 1500. Manual scoring of large … [Read more...] about Computer-Assisted Sleep Staging – Rajeev Agarwal