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Methods and systems that use implanted posture sensor to monitor left atrial pressure and/or inter-thoracic fluid volume
Methods and systems that use implanted posture sensor to monitor left atrial pressure and/or inter-thoracic fluid volume
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机译:使用植入式姿势传感器监测左心房压力和/或胸腔积液的方法和系统
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摘要
In specific embodiments, a method to monitor left atrial pressure and/or intra-thoracic fluid volume of a patient, comprises (a) monitoring posture of the patient using a posture sensor implanted within the patient, and (b) using portions of an impedance signal, obtained using implanted electrodes, to monitor the left atrial pressure and/or intra-thoracic fluid volume of the patient. Each portion of the impedance signal used to monitor the left atrial pressure and/or intra-thoracic fluid volume of the patient corresponds to a period after which the patient has maintained a predetermined posture for at least a predetermined period of time, and during which the patient has remained in the predetermined posture.
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