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Noninvasive cardiac therapy evaluation

  • US 9,993,172 B2
  • Filed: 03/27/2014
  • Issued: 06/12/2018
  • Est. Priority Date: 12/09/2013
  • Status: Active Grant
First Claim
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1. A system for assisting in noninvasive evaluation of cardiac therapy comprising:

  • electrode apparatus comprising a plurality of external surface electrodes positioned in an array, wherein the electrode apparatus is configured to locate the plurality of external surface electrodes proximate the skin of the patient;

    a display apparatus comprising a graphical user interface configured to present cardiac electrical activation time information and cardiac health information; and

    computing apparatus coupled to the electrode apparatus and the display apparatus and configured to provide the graphical user interface displayed on the display apparatus to assist a user in noninvasively evaluating cardiac therapy, wherein the computing apparatus is further configured to;

    noninvasively measure surrogate cardiac electrical activation times using one or more external surface electrodes of the plurality of external surface electrodes of the electrode apparatus proximate the patient'"'"'s heart, wherein the surrogate cardiac electrical activation times are representative of depolarization of cardiac tissue that propagates through the torso of the patient,noninvasively measure at least one metric of the patient'"'"'s cardiac health using one or more external surface electrodes of the plurality of external surface electrodes of the electrode apparatus proximate the patient'"'"'s heart,determine whether cardiac therapy for the patient is beneficial based on a comparison of presently-measured noninvasive measurements made using the one or more external surface electrodes of the plurality of external surface electrodes and previously-measured noninvasive measurements made using the one or more external surface electrodes of the plurality of external surface electrodes of the electrode apparatus, andsimultaneously display, on the graphical user interface,an indication of whether cardiac therapy for the patient is beneficial based on the comparison of presently-measured noninvasive measurements and previously-measured noninvasive measurements,a graphical depiction of a portion of a first human anatomy and presently-measured surrogate cardiac electrical activation times about the first human anatomy portion that were noninvasively measured using the one or more external surface electrodes of the plurality of external surface electrodes proximate the skin of the patient,a graphical depiction of a portion of a second human anatomy and previously-measured surrogate cardiac electrical activation times about the second human anatomy portion that were noninvasively measured using the one or more external surface electrodes of the plurality of external surface electrodes proximate the skin of the patient,the at least one presently-measured metric of the patient'"'"'s cardiac health that was noninvasively measured using the one or more external surface electrodes of the plurality of external surface electrodes proximate the skin of the patient, andthe at least one previously-measured metric of the patient'"'"'s cardiac health that was noninvasively measured using the one or more external surface electrodes of the plurality of external surface electrodes proximate the skin of the patient.

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