Implantable cardiac stimulation device for and method of monitoring progression or regression of heart disease by monitoring evoked response features

摘要

An implantable cardiac stimulation device has a system and method that monitors progression or regression in a patient's heart disease. A pulse generator delivers pacing pulses to the heart to cause evoked responses of the heart. A sensing circuit senses the evoked responses of the heart and generates evoked response signals. A processor is programmed to analyze the evoked response signals, to isolate a given characteristic of the evoked response signals and to quantify the isolated characteristics to provide corresponding quantized values. Relative changes in the quantized values over time are indicative of the progression or regression in the patient's heart disease. A memory stores the quantized values and a telemetry circuit transmits the stored quantized values to an external receiver for analysis.