System and method for generating a trend parameter based on...

Details System and method for generating a trend parameter based on... System and method for generating a trend parameter based on...

2006-05-23

2010-06-08

Nasser, Robert L (Department: 3735)

Surgery

Diagnostic testing

Cardiovascular

C600S484000, C600S529000, C600S538000

Reexamination Certificate

active

07731663

ABSTRACT:
Systems and methods provide for assessing the heart failure status of a patient and, more particularly, to generating a trend parameter based on a distribution of the patient's respiration rate. Systems and methods provide for detecting, using an implantable device or a patient-external device, patient respiration and computing a respiration rate based on the detected patient respiration. A distribution of the respiration rate is calculated, and a trend parameter based on the respiration rate distribution is generated. The trend parameter is indicative of a patient's heart failure status. An output signal indicative of the patient's heart failure status may be generated based on the trend parameter.

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