Methods and systems for automatically determining minute ventilation
First Claim
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1. A method for ascertaining minute ventilation comprising:
- providing a programmable stimulation device having multiple electrodes; and
programming the stimulation device with code which, when executed by the stimulation device is configured to cause the stimulation device to;
establish a first electrode configuration sufficient for use in ascertaining a patient'"'"'s minute ventilation;
ascertain the patient'"'"'s minute ventilation using the first electrode configuration;
monitor the integrity of the first electrode configuration; and
responsive to a problem with the integrity of the first electrode configuration, switch to a different electrode configuration sufficient for use in ascertaining the patient'"'"'s minute ventilation.
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Abstract
Methods and systems for switching electrode configurations for measuring the transthoracic impedance of patient are described. Various embodiments provide stimulation devices and methods that can automatically adapt to different minute ventilation electrode configurations. This, in turn, permits minute ventilation functionality to continue, e.g. rate-responsive pacing, in spite of the fact that an electrode configuration has changed. Accordingly, minute ventilation functionality can automatically continue in a adaptive manner when a previously-available electrode configuration is no longer available for minute ventilation functionality.
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Citations
37 Claims
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1. A method for ascertaining minute ventilation comprising:
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providing a programmable stimulation device having multiple electrodes; and
programming the stimulation device with code which, when executed by the stimulation device is configured to cause the stimulation device to;
establish a first electrode configuration sufficient for use in ascertaining a patient'"'"'s minute ventilation;
ascertain the patient'"'"'s minute ventilation using the first electrode configuration;
monitor the integrity of the first electrode configuration; and
responsive to a problem with the integrity of the first electrode configuration, switch to a different electrode configuration sufficient for use in ascertaining the patient'"'"'s minute ventilation. - View Dependent Claims (2, 3, 4, 5)
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6. A method for ascertaining minute ventilation comprising:
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providing a stimulation device having multiple electrodes; and
configuring the stimulation device to;
establish a first electrode configuration sufficient for use in ascertaining a patient'"'"'s minute ventilation;
ascertain the patient'"'"'s minute ventilation using the first electrode configuration;
monitor the integrity of the first electrode configuration; and
responsive to a problem with the integrity of the first electrode configuration, switch to a different electrode configuration sufficient for use in ascertaining the patient'"'"'s minute ventilation.
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7. A stimulation device comprising:
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one or more computer-readable media;
one or more processors; and
instructions stored on the computer-readable media which, when executed by the one or more processors, cause the processors to;
establish a first electrode configuration sufficient for use in ascertaining a patient'"'"'s minute ventilation;
ascertain the patient'"'"'s minute ventilation using the first electrode configuration;
monitor the integrity of the first electrode configuration; and
responsive to a problem with the integrity of the first electrode configuration, switch to a different electrode configuration sufficient for use in ascertaining the patient'"'"'s minute ventilation. - View Dependent Claims (8, 9, 10, 11)
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12. One or more computer-readable media having computer-readable instructions thereon which, when executed by one or more processors of a stimulation device, cause the one or more processors to:
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establish a first electrode configuration sufficient for use in ascertaining a patient'"'"'s minute ventilation;
ascertain the patient'"'"'s minute ventilation using the first electrode configuration;
monitor the integrity of the first electrode configuration; and
responsive to a problem with the integrity of the first electrode configuration, switch to a different electrode configuration sufficient for use in ascertaining the patient'"'"'s minute ventilation.
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13. A method for ascertaining minute ventilation comprising:
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establishing a first electrode configuration using a stimulation device, the first electrode configuration being sufficient for use in ascertaining a patient'"'"'s minute ventilation;
ascertaining the patient'"'"'s minute ventilation using the first electrode configuration;
monitoring the integrity of the first electrode configuration;
responsive to a problem with the integrity of the first electrode configuration, automatically switching to a different electrode configuration sufficient for use in ascertaining the patient'"'"'s minute ventilation; and
using the different electrode configuration to ascertain the patient'"'"'s minute ventilation. - View Dependent Claims (14, 15, 16)
said establishing a first electrode configuration comprises establishing a bipolar configuration; and
said automatically switching to a different electrode configuration comprises automatically switching to a unipolar configuration.
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17. A method of ascertaining minute ventilation comprising:
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defining priorities between multiple different minute ventilation electrode configurations;
establishing a minute ventilation electrode configuration in accordance with defined priorities;
ascertaining minute ventilation using the established minute ventilation electrode configuration;
monitoring the integrity of the established minute ventilation electrode configuration;
responsive to a problem with the integrity of the established minute ventilation electrode configuration, switching to a lower priority minute ventilation electrode configuration; and
determining minute ventilation using the lower priority minute ventilation electrode configuration. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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26. A stimulation device comprising:
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one or more computer-readable media;
multiple electrodes for stimulating and for monitoring minute ventilation;
one or more processors; and
instructions stored on the computer-readable media which, when executed by the one or more processors, cause the processors to;
define priorities between multiple different minute ventilation electrode configurations;
establish a minute ventilation electrode configuration in accordance with defined priorities;
ascertain minute ventilation using the established minute ventilation electrode configuration;
monitor the integrity of the established minute ventilation electrode configuration;
responsive to a problem with the integrity of the established minute ventilation electrode configuration, switch to a lower priority minute ventilation electrode configuration; and
determine minute ventilation using the lower priority minute ventilation electrode configuration.
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27. A method of ascertaining minute ventilation comprising:
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detecting a problem associated with an electrode configuration that is being utilized to ascertain minute ventilation for a rate-responsively paced heart patient, the electrode configuration having a first baseline impedance measure that is utilized to rate-responsively pace the patient;
stopping rate-responsive pacing that is based on minute ventilation;
automatically switching to a different electrode configuration;
re-establishing a baseline impedance measure that is associated with the different electrode configuration; and
re-starting rate responsive pacing using the different electrode configuration to ascertain minute ventilation. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
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36. One or more computer-readable media having computer-readable instructions thereon which, when executed by one or more processors of a stimulation device, cause the one or more processors to:
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detect a problem associated with an electrode configuration that is being utilized to ascertain minute ventilation for a rate-responsively paced heart patient, the electrode configuration having a first baseline impedance measure that is utilized to rate-responsively pace the patient;
stop rate-responsive pacing that is based on minute ventilation;
automatically switch to a different electrode configuration;
re-establish a baseline impedance measure that is associated with the different electrode configuration; and
re-start rate responsive pacing using the different electrode configuration to ascertain minute ventilation.
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37. A stimulation device comprising:
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one or more computer-readable media;
multiple electrodes for stimulating and for monitoring minute ventilation;
one or more processors;
instructions stored on the computer-readable media which, when executed by the one or more processors, cause the processors to;
detect a problem associated with an electrode configuration that is being utilized to ascertain minute ventilation for a rate-responsively paced heart patient, the electrode configuration having a first baseline impedance measure that is utilized to rate-responsively pace the patient;
stop rate-responsive pacing that is based on minute ventilation;
automatically switch to a different electrode configuration;
re-establish a baseline impedance measure that is associated with the different electrode configuration; and
re-start rate responsive pacing using the different electrode configuration to ascertain minute ventilation.
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Specification