Surgery – Truss – Pad
Patent
1996-12-19
1998-06-30
Jastrzab, Jeffrey R.
Surgery
Truss
Pad
128706, 128901, A61B 50456
Patent
active
057718989
ABSTRACT:
A heartrate monitor of the invention includes a signal receiver adapted for being coupled to at least one sensor coupled to a medical patient, for providing an ECG signal and a pacemaker detection signal. A pacemaker activity checker, responsive to the pacemaker detection signal and the ECG signal provides first and second output signals, the first output signal indicating the occurrence of a QRS complex in the vicinity of the pacemaker detection signal, and the second output signal indicating the occurrence of an overshoot in the vicinity of the pacemaker detection signal. An overshoot validator, responsive to the ECG signals and the second output signal indicates the validity of the indicated overshoot. A QRS detector, responsive to the ECG signal, indicates the occurrence of a QRS complex in the ECG signal. A logic combining means, responsive to at least the first output signal, the output of the overshoot validator and the output of the QRS detector, determines a combined QRS detection signal, that accurately indicates the occurrence of QRS's. A heartrate determining means responsive to the combined QRS detection signal provides an accurate indication of the heartrate for the medical patient.
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Edelman Lawrence C.
Jastrzab Jeffrey R.
Siemens Medical Systems Inc.
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