Apparatus and method for presenting patient electrocardiogram and implantable device status information
First Claim
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1. Apparatus for presenting patient electrocardiogram and implantable device status information, comprising:
- an implanted cardiac therapy device including means for sensing a patient electrocardiogram signal and a processor for generating and collating device status information, said status information including cardiac event interval information, why a therapy was or was not applied, and patient response to therapy, and for storing said status information and said patient electrocardiogram signal;
output means in said implanted cardiac therapy device having an input for receiving said stored electrocardiogram signal and status information and for assembling and outputting a data frame therefrom;
an external display apparatus including a decoder for separating said data frame into said electrocardiogram signal and said status information; and
a display for presenting said electrocardiogram signal and said status information with portions of said status information presented in said display in proximity to portions of said electrocardiogram signal to which they relate.
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Abstract
An implantable cardiac therapy device collects patient ECG and device status information, including cardiac event interval information, why therapy was or was not applied, and patient response to therapy, in connection with an arrhythmic episode and correlates such information in a data frame that may be stored for later telemetric transmission to an external instrument or that may be transmitted in real time to the external instrument. The data frame is decoded and parsed by the external instrument for presentation to an attending physician in a time correlated format.
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Citations
15 Claims
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1. Apparatus for presenting patient electrocardiogram and implantable device status information, comprising:
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an implanted cardiac therapy device including means for sensing a patient electrocardiogram signal and a processor for generating and collating device status information, said status information including cardiac event interval information, why a therapy was or was not applied, and patient response to therapy, and for storing said status information and said patient electrocardiogram signal; output means in said implanted cardiac therapy device having an input for receiving said stored electrocardiogram signal and status information and for assembling and outputting a data frame therefrom; an external display apparatus including a decoder for separating said data frame into said electrocardiogram signal and said status information; and a display for presenting said electrocardiogram signal and said status information with portions of said status information presented in said display in proximity to portions of said electrocardiogram signal to which they relate. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for presenting status information included with an electrocardiogram, comprising the steps of:
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generating in an implanted therapy device a data frame by multiplexing in said data frame patient electrocardiogram information and device status information, said status information including cardiac event interval information and why a therapy was or was not applied; providing said data frame to an external instrument having a display apparatus; demultiplexing said data frame to separate said data frame into said electrocardiogram information and said status information; and presenting the separated status information and patient electrocardiogram information on said display apparatus in a correlated manner whereby status information from a particular point in time is presented proximate the portion of the electrocardiogram to which it relates. - View Dependent Claims (8, 9)
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10. A cardiac diagnostic method, comprising the steps of:
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providing an implanted cardiac therapy device; acquiring a patient electrocardiogram with said device; generating device status information including cardiac event interval information, why a therapy was or was not applied, and patient response to therapy; collating said patient electrocardiogram and said implanted cardiac therapy device status information; providing a data frame; assembling said collated information into said data frame; and storing said data frame for later retrieval. - View Dependent Claims (11, 12)
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13. A method for presenting information included with an electrocardiogram, comprising the steps of:
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collecting patient ECG and implantable cardiac therapy device status information, including cardiac event interval information, why therapy was or was not applied, and patient response to therapy; generating a data frame; correlating said ECG and status information in said data frame; storing said data frame in a memory of an implanted cardiac therapy device; transmitting via telemetry said data frame from said memory to an external instrument; and separating said ECG from said status information and presenting said ECG and status information on a display.
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14. Apparatus for presenting patient electrocardiogram and implantable device status information comprising:
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means for collecting patient ECG and cardiac apparatus status information, including cardiac event interval information, why therapy was or was not applied, and patient response to therapy, relating to a detected arrhythmic episode; means for correlating said information in a data frame with said ECG for storage; telemetry means; and means for receiving and displaying said patient ECG and cardiac apparatus status information.
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15. An external instrument for a cardiac therapy system, comprising:
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means for separating a data frame received from an implanted cardiac therapy device into patient ECG and cardiac apparatus status information, said status information including cardiac event interval information, why therapy was or was not applied, and patient response to therapy, relating to a detected arrhythmic episode information; and means for presenting said patient ECG and cardiac apparatus status information.
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Specification