Systems and methods for on-site and real-time electrocardiographic imaging (ECGI)
First Claim
1. A non-transitory computer readable medium storing instructions that, when executed by at least one processor, cause the at least one processor to perform a method comprising:
- computing a transfer matrix representing a relative influence that each respective electrode location for measuring electrical potentials on a patient'"'"'s body has on an estimation of electrical potentials for locations on a surface of interest of the patient'"'"'s body different than where the electrode locations are located, prior to the measuring of electrical potentials at the respective electrode locations;
receiving electrical potential data corresponding to measurements measured via a plurality of electrodes at the respective electrode locations on the patient'"'"'s body;
computing the estimation of electrical potentials for the locations on the body surface of interest based at least in part on the received electrical potential data and the computed transfer matrix; and
outputting, to a display device, an image of the body surface of interest that is indicative of the estimation of electrical potentials for the locations of the surface of interest.
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Accused Products
Abstract
A non-transitory computer readable medium stores instructions that, when executed by at least one processor, cause the at least one processor to perform a method that includes computing a transfer matrix representing a relative influence that each respective electrode location for measuring electrical potentials on a patient'"'"'s body has on an estimation of electrical potentials for locations on a surface of interest prior to the measuring of electrical potentials at the respective electrode locations and receiving electrical potential measurements measured via a plurality of electrodes at respective electrode locations on the patient'"'"'s body. The method also includes computing the estimation of electrical potentials for the locations on the surface of interest based at least in part on the received electrical potential measurements and the computed transfer matrix and generating image data representing the estimation of electrical potentials.
10 Citations
21 Claims
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1. A non-transitory computer readable medium storing instructions that, when executed by at least one processor, cause the at least one processor to perform a method comprising:
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computing a transfer matrix representing a relative influence that each respective electrode location for measuring electrical potentials on a patient'"'"'s body has on an estimation of electrical potentials for locations on a surface of interest of the patient'"'"'s body different than where the electrode locations are located, prior to the measuring of electrical potentials at the respective electrode locations; receiving electrical potential data corresponding to measurements measured via a plurality of electrodes at the respective electrode locations on the patient'"'"'s body; computing the estimation of electrical potentials for the locations on the body surface of interest based at least in part on the received electrical potential data and the computed transfer matrix; and outputting, to a display device, an image of the body surface of interest that is indicative of the estimation of electrical potentials for the locations of the surface of interest. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A device, comprising:
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a processor; a non-transitory computer readable medium storing instructions that, when executed by the processor, cause the processor to; compute a transfer matrix representing a relative influence that each of a plurality of electrode locations for measuring electrical potentials on a patient'"'"'s body has on an estimation of electrical potentials for locations on a surface of interest of the patient'"'"'s body different than where the electrode locations are located, the transfer matrix being computed prior to the measuring of electrical potentials at the respective electrode locations; receive electrical potential measurements via a plurality of electrodes at respective electrode locations on the patient'"'"'s body; compute the estimation of electrical potentials for the locations on the surface of interest based at least in part on the received electrical potential measurements and the computed transfer matrix; and output, to a display device, an image of the body surface of interest that is indicative of the estimation of electrical potentials for the locations of the surface of interest. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A non-transitory computer readable medium storing machine executable instructions comprising:
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a transfer matrix module that, when executed by at least one processor, causes the at least one processor to compute a transfer matrix representing a relative that each respective electrode location for measuring electrical potentials on a patient'"'"'s body has on an estimation of electrical potentials for locations on a surface of interest of the patient'"'"'s body different than where the electrode locations are located, prior to the measuring of electrical potentials at the respective electrode locations; an acquisition module that, when executed by the at least one processor, causes the at least one processor to access measurement data corresponding to a plurality of electrical potentials measured via a plurality of electrodes at respective electrode locations on the patient'"'"'s body; an estimation module that, when executed by the at least one processor, causes the at least one processor to compute the estimation of electrical potentials for the body surface of interest based at least in part on the measurement data and the computed transfer matrix; and a display module that, when executed by the at least one processor, causes the at least one processor to output, to a display device, an image of the body surface of interest that is indicative of the estimation of electrical potentials for the locations on the surface of interest. - View Dependent Claims (19, 20)
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21. A device, comprising:
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a signal acquisition device comprising electrical inputs to receive electrical potential measurements; a plurality of electrodes arranged to measure electrical potential at the plurality of electrode locations on a surface of the patient'"'"'s body, the electrodes connected to the electrical inputs to provide the electrical potential measurements; a processor; a non-transitory computer readable medium storing instructions that, when executed by the processor, cause the processor to; compute a transfer matrix representing a relative influence that each of a plurality of electrode locations for measuring electrical potentials on a patient'"'"'s body has on an estimation of electrical potentials for locations on a surface of interest, which is different than the electrode locations on the surface of the patient'"'"'s body, the transfer matrix being computed prior to measuring of electrical potentials at the respective electrode locations; compute the estimation of electrical potentials for the locations on the surface of interest based at least in part on the received electrical potential measurements and the computed transfer matrix; and generating image data to display an output on a display device, the output comprising an image of the body surface of interest that is indicative of the estimation of electrical potentials for the locations on the surface of interest.
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Specification