Patent ID: 6487443
Filing Date: 2002-11-26
Classification: A61B,A61N,G16H

Abstract:
A rule-based cardiac arrhythmia detection software system, comprising:a set of parameters defining a plurality of hierarchical cardiac event pattern code rules, each of said pattern code rules prescribing criteria corresponding to a specific type of cardiac rhythm; an instruction set for storing information regarding each occurrence of a cardiac event according to type; an instruction set that computes time-based features for each occurrence of the cardiac event; an instruction set that computes a pattern code for each occurrence of the cardiac event which is based at least in part on the computed time-based features; an instruction set that computes counts of adherence based on the computed pattern code; an instruction set that applies the pattern code rules to the computed counts of adherence to determine a positive or a negative compliance status with any of said pattern code rules; an instruction set that selects a highest priority rule that is determined to have a positive compliance status; and an instruction set that provides an output indication of the specific type of cardiac rhythm corresponding to the selected highest priority rule.