Muscle artifact noise detector for ECG signals

Details Muscle artifact noise detector for ECG signals Muscle artifact noise detector for ECG signals

1998-05-20

1999-12-07

Kamm, William E.

Surgery

Diagnostic testing

Cardiovascular

128901, A61B 50402

Patent

active

059998458

ABSTRACT:
A filter system for detecting and removing small amplitude, high frequency signals such as muscle artifact signals is provided. One form of the system includes a baseline wander filter, high and low pass filters, an adaptive line noise canceler and various noise detectors to identify, signal and remove muscle artifact or loose electrode signal contamination from an ECG signal wherein the ECG signal is conditioned to remove various portions of the ECG signal, such as the QRS portion of the ECG signal, prior to processing in various noise detectors while minimizing the signal conditioning effect of the filters on the ECG signal and while further providing the operator with the ability to manually or automatically activate the filters and to indicate the status of the filters on a printout or display.

REFERENCES:
patent: 3903874 (1975-09-01), Shakespeare
patent: 4887609 (1989-12-01), Cole, Jr.

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