Method and apparatus for automatically detecting and interpreting paced electrocardiograms
First Claim
1. A patient monitoring system comprising:
- an input circuit for acquiring an analog ECG signal;
an analog pace detection circuit connected to the input circuit for generating analog pacemaker pulse markers from the analog ECG;
a digital ECG processing circuit for providing a digitized output of the analog ECG;
means for analyzing the digitized output to establish digital pace detection markers;
means for comparing the analog pacemaker pulse markers to the digital pace detection markers to eliminate erroneously detected pacemaker pulses; and
means for eliminating erroneously detected analog detection markers based on timing and energy content information.
2 Assignments
0 Petitions
Accused Products
Abstract
A patient monitoring system for acquiring a physiological waveform, and a method of detecting the presence of pacemaker pulses in same. The patient monitoring system includes an input circuit for acquiring an analog ECG, an analog pace detection circuit connected to the input amplifier for generating analog pacemaker pulse markers and energy measures from analog ECG, a digital ECG processing circuit for providing a digitized output of the analog ECG, and software for analyzing the digitized output to establish digital pace detection markers, and for comparing the analog pacemaker pulse markers and energy measures to the digital pace detection markers to eliminate erroneously detected pacemaker pulses. The method includes the acts of acquiring an analog ECG waveform; analyzing the analog ECG waveform to generate first pacemaker pulse markers and energy measures; digitizing the analog ECG waveform to produce digital ECG data; analyzing the digital ECG data to generate second pacemaker pulse markers; comparing the first pacemaker pulse markers and energy measures to the second pacemaker pulse markers; and analyzing the timing relationship between detected pacemaker pulses and certain ECG features to determine the pacing mode of the implanted pacemaker.
29 Citations
20 Claims
-
1. A patient monitoring system comprising:
-
an input circuit for acquiring an analog ECG signal;
an analog pace detection circuit connected to the input circuit for generating analog pacemaker pulse markers from the analog ECG;
a digital ECG processing circuit for providing a digitized output of the analog ECG;
means for analyzing the digitized output to establish digital pace detection markers;
means for comparing the analog pacemaker pulse markers to the digital pace detection markers to eliminate erroneously detected pacemaker pulses; and
means for eliminating erroneously detected analog detection markers based on timing and energy content information. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A method of detecting pacemaker pulses in an ECG waveform, the method comprising the acts of:
-
acquiring an analog ECG waveform;
analyzing the analog ECG waveform to generate first pacemaker pulse markers;
analyzing timing information and energy content of the first pacemaker pulse markers to eliminate erroneous pacemaker pulse markers;
digitizing the analog ECG waveform to produce digital ECG data;
analyzing the digital ECG data to generate second pacemaker pulse markers; and
comparing the first pacemaker pulse markers to the second pacemaker pulse markers. - View Dependent Claims (7, 8, 9, 10)
-
-
11. A software program for a patient monitoring system capable of acquiring an ECG, the software program performing the acts of:
-
acquiring an analog ECG waveform;
analyzing the analog ECG waveform to generate first pacemaker pulse markers;
digitizing the analog ECG waveform to produce digital ECG data;
analyzing the digital ECG data to generate second pacemaker pulse markers; and
comparing the first pacemaker pulse markers to the second pacemaker pulse markers. - View Dependent Claims (12, 13, 14, 15)
-
-
16. A patient monitoring system comprising:
-
an input circuit for acquiring an analog ECG;
an analog pace detection circuit connected to the input circuit for generating analog pacemaker pulse markers from analog ECG;
a digital ECG processing circuit for providing a digitized output of the analog ECG; and
software for analyzing the digitized output to establish digital pace detection markers, and for comparing the analog pacemaker pulse markers to the digital pace detection markers to eliminate erroneously detected pacemaker pulses. - View Dependent Claims (17, 18, 19, 20)
-
Specification