METHOD AND APPARATUS FOR ASSESSING CARDIAC FUNTIONAL STATUS
First Claim
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1. A method for assessing a patient'"'"'s cardiac functional status, comprising:
- measuring a moving average over a specified averaging period of exertion levels attained by the patient during daily activities;
extracting daily maximal exertion levels from the measured moving average exertion levels for a specified number of days; and
, classifying the patient'"'"'s cardiac functional status based upon the daily maximum daily exertion levels.
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Abstract
A method for assessing cardiac function suitable for incorporation into an implantable cardiac rhythm management device. By measuring daily exertion levels in accordance with the invention, an assessment of cardiac function can be made that has been found to correlate well with conventional clinical classifications. The invention also provides for assessing cardiac function in conjunction with different pacing schemes designed to treat heart failure and using the assessment to select the best such scheme for the patient.
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20 Claims
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1. A method for assessing a patient'"'"'s cardiac functional status, comprising:
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measuring a moving average over a specified averaging period of exertion levels attained by the patient during daily activities;
extracting daily maximal exertion levels from the measured moving average exertion levels for a specified number of days; and
,classifying the patient'"'"'s cardiac functional status based upon the daily maximum daily exertion levels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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