Sleep Apnea

Sleep Apnea

Sleep breathing disorder (SBD), characterized as abnormalities in breathing pattern during sleep, is quite common worldwide and largely undiagnosed. Since the recognition of sleep apnea in the late 1970s as the most common sleep breathing disorder, the emphasis on monitoring and measurement of respiratory flow and efforts during sleep has significantly increased. Measurement of both the respiratory flow and efforts is essential in the differential diagnosis of respiratory failure like obstruction in the upper airway, lack of efforts for breathing in respiratory muscles or limitation in lung function.

The objective of this study is to estimate the respiratory flow and efforts using signals recorded with three triaxial MEMS accelerometers placed on the upper body.

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