Method for monitoring ICG/ECG signals
First Claim
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1. A method of utilizing no more than three ICG/ECG electrode pairs to sense both ICG and heart electrical activity signals, the method comprising:
- sensing, with a first electrode contact and a second electrode contact of a first pair of the no more than three ICG/ECG electrode pairs, a first ICG signal and a first heart electrical activity signal;
sensing, with a first electrode contact and a second electrode contact of a second pair of the no more than three ICG/ECG electrode pairs, a second ICG signal and a second heart electrical activity signal;
sensing, with a first electrode contact and a second electrode contact of a third pair of the no more than three ICG/ECG electrode pairs, a third ICG signal and a third heart electrical activity signal;
utilizing different clocks to sense the first, second and third ICG signals and the first, second and third heart electrical activity signals;
synchronizing the different clocks, thereby time-synchronizing the sensed first, second and third ICG signals with the first, second and third heart electrical activity signals; and
determining a cardiac parameter based on the first, second and third ICG signals and an EKG signal based on the first, second and third heart electrical activity signals.
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Abstract
An ICG/ECG electrode includes a first electrode and a second electrode, wherein at least one of the first or second electrode senses both an ICG signal and an ECG voltage signal. A physiologic parameter monitoring apparatus includes a set of electrodes, including an electrode for sensing both an ICG voltage signal and an ECG voltage signal corresponding to a patient. The apparatus further includes an ICG monitor for processing the ICG voltage signal sensed by the electrode and an ECG monitor for processing the ECG voltage signal sensed by the same electrode.
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Citations
20 Claims
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1. A method of utilizing no more than three ICG/ECG electrode pairs to sense both ICG and heart electrical activity signals, the method comprising:
- sensing, with a first electrode contact and a second electrode contact of a first pair of the no more than three ICG/ECG electrode pairs, a first ICG signal and a first heart electrical activity signal;
sensing, with a first electrode contact and a second electrode contact of a second pair of the no more than three ICG/ECG electrode pairs, a second ICG signal and a second heart electrical activity signal;
sensing, with a first electrode contact and a second electrode contact of a third pair of the no more than three ICG/ECG electrode pairs, a third ICG signal and a third heart electrical activity signal;
utilizing different clocks to sense the first, second and third ICG signals and the first, second and third heart electrical activity signals;
synchronizing the different clocks, thereby time-synchronizing the sensed first, second and third ICG signals with the first, second and third heart electrical activity signals; and
determining a cardiac parameter based on the first, second and third ICG signals and an EKG signal based on the first, second and third heart electrical activity signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- sensing, with a first electrode contact and a second electrode contact of a first pair of the no more than three ICG/ECG electrode pairs, a first ICG signal and a first heart electrical activity signal;
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11. A method of utilizing no more than three ICG/ECG electrode pairs to sense both ICG and heart electrical activity signals, the method comprising:
- sensing, with a first electrode contact and a second electrode contact of a first pair of the no more than three ICG/ECG electrode pairs, a first ICG signal and a first heart electrical activity signal;
sensing, with a first electrode contact and a second electrode contact of a second pair of the no more than three ICG/ECG electrode pairs, a second ICG signal and a second heart electrical activity signal;
sensing, with a first electrode contact and a second electrode contact of a third pair of the no more than three ICG/ECG electrode pairs, a third ICG signal and a third heart electrical activity signal;
utilizing a same clock to sense the first, second and third ICG signals and the first, second and third heart electrical activity signals;
synchronizing in time the sensed first, second and third ICG signals with the first, second and third heart electrical activity signals; and
determining a cardiac parameter based on the first, second and third ICG signals and an EKG signal based on the first, second and third heart electrical activity signals. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
- sensing, with a first electrode contact and a second electrode contact of a first pair of the no more than three ICG/ECG electrode pairs, a first ICG signal and a first heart electrical activity signal;
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