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US 2014/0180150 A1Published application
Method and device for determining and presenting surface charge and dipole densities on cardiac walls
AssigneeChristoph Scharf
InventorsChristoph Scharf, Gunter Scharf
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Abstract
The invention discloses a method, a system, a computer program and a device for determining the surface charge and/or dipole densities on heart walls. Using the foregoing, a table of dipole densities ν(P′, t) and/or a table of surface charge densities ρ(P′, t) of a given heart chamber can be generated.
Claims34
A method for generating a map of dipole densities across an endocardium of a heart chamber, the method comprising:
- (i) recording the electric potential at given positions P on the cellular membrane of the endocardial wall in a heart chamber to produce electric potential data;
- (ii) transforming the electric potential data into a continuum of cellular membrane dipole density data;
- (iii) generating a map of the cellular membrane dipole densities at the given positions P as a 3-dimensional image, a 2-dimensional image, or time-dependent sequence of images;
- and
- (iv) displaying the map.
2 more elements
A method for generating a map of surface charge densities across an endocardium of a heart chamber, the method comprising:
- (i) recording the electric potential at given positions P on the cellular membrane of the endocardial wall in a heart chamber to produce electric potential data;
- (ii) transforming the electric potential data into a continuum of cellular membrane surface charge density data;
- (iii) generating a map of the cellular membrane surface charge densities at the given positions P as a 3-dimensional image, a 2-dimensional image, or time-dependent sequence of images;
- and
- (iv) displaying the map.
2 more elements
A method of cardiac activation mapping, the method comprising:
- (i) recording the electric potential at given positions P on the cellular membrane of the endocardial wall in a heart chamber to produce electric potential data using a plurality of electrodes;
- (ii) transforming the electric potential data into a continuum of cellular membrane density data, by a processor executing a set of transformation instructions stored in a computer memory;
- (iii) generating a map of the cellular membrane densities at the given positions P as a 3-dimensional image, a 2-dimensional image, or time-dependent sequence of images, by the processor executing a set of map generation instructions stored in the computer memory;
- and
- (iv) outputting the map as a printout, computer display, or both;
- wherein the densities includes dipole densities, surface charge densities, or both.
3 more elements
Dependencies are inferred from the claim text.