Fujian Qu;Dan E. Gutfinger;Steve Koh;Yelena Nabutovsky;Alex Soriano
发明人:
Yelena Nabutovsky,Fujian Qu,Steve Koh,Dan E. Gutfinger,Alex Soriano
申请号：
US12649647
公开号：
US08784323B2
申请日:
2009.12.30
申请国别(地区):
US
年份:
2014
代理人:
摘要：
In specific embodiments, a method to monitor pulmonary edema of a patient, comprises (a) detecting, using an implanted posture sensor, when a posture of the patient changes from a first predetermined posture to a second predetermined posture, (b) determining an amount of time it takes an impedance signal to achieve a steady state after the posture of the patient changes from the first predetermined posture to the second predetermined posture, where the impedance signal is obtained using implanted electrodes and is indicative of left atrial pressure and/or intra-thoracic fluid volume of the patient, and (c) monitoring the pulmonary edema of the patient based on the determined amount of time it takes the impedance signal to achieve the steady state after the posture of the patient changes from the first predetermined posture to the second pre-determined posture.
