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Apparatus and signal processing method for monitoring, detecting and classifying sleep disordered breathing derived from electrocardiogram
Apparatus and signal processing method for monitoring, detecting and classifying sleep disordered breathing derived from electrocardiogram
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机译:用于监测,检测和分类源自心电图的睡眠呼吸障碍的设备和信号处理方法
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摘要
An apparatus is disclosed for detecting sleep disordered breathing (SDB), cardiac events and/or heart rate variability (HRV) in a subject from a physiological electrocardiogram (ECG) signal. The apparatus includes means for monitoring the ECG signal and means for extracting from the ECG signal parameters indicative of the SDB, cardiac events and/or HRV. The apparatus also includes means utilizing the parameters to detect the SDB, cardiac events and/or HRV. The SDB, cardiac events and/or HRV may be detected in real time, breath by breath and/or post acquisition of the ECG signal. The apparatus may include means for determining a treatment for the SDB, cardiac events and/or HRV. An electromyogram (EMG) signal may be extracted from the ECG signal to provide a marker for distinguishing OSA from CSA. The marker may indicate that treatment levels should be varied to avoid elevated cardiac risk. A method of detecting SDB, cardiac events and/or HRV in the subject is also disclosed.
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