METHOD FOR THE DETECTION OF SUBCUTANOUS CARDIAC SIGNALS AND A CARDIAC DEVICE FOR USE IN DETECTING SUBCUTANEOUS CARDIAC SIGNALS

摘要

A cardiac device and method for detecting QRS signals within a composite heart signal of a body including providing at least two input heart signals via at least two separate input channels, wherein each of the at least two input heart signals is recorded by pairs of sensing electrodes that have one electrode in common and provided coincidental in time. The cardiac device and method include generating estimated signals from the input heart signals, combining the input heart signals and the estimated signals to a combined input stream (SECG), and detecting the QRS signal by comparing the combined input stream (SECG) to an adaptive detection threshold (ATHR) which adapts throughout time.

主权项

1. A method for the detection of QRS signals, comprising:
providing at least two input heart signals via at least two separate input channels, wherein each channel is connected to pairs of external sensing electrodes, and wherein the at least two input heart signals are recorded by said pairs of external sensing electrodes and provided coincidental in time; generating estimated signals from the at least two input heart signals; combining the estimated signals to a combined input stream (SECG); and, detecting a QRS signal by comparing the combined input stream (SECG) to an adaptive detection threshold (ATHR) which adapts throughout time.