Ectopic beat-compensated electrical heterogeneity information

1. A system comprising:

electrode apparatus comprising a plurality of external electrodes to monitor electrical activity from tissue of a patient; and

computing apparatus comprising processing circuitry and coupled to the electrode apparatus and configured to:

monitor electrical activity using the plurality of external electrodes;

provide ectopic beat information; and

generate ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and the ectopic beat information.

2. The system of claim 1 , wherein the plurality of external electrodes comprises surface electrodes positioned in an array configured to be located proximate skin of a torso of the patient.

3. The system of claim 1 , wherein the system further comprises a display, wherein the display comprises a graphical user interface configured to assist a user in evaluating patient cardiac health, wherein the computing apparatus is further configured to display the ectopic beat-compensated electrical heterogeneity information on the graphical user interface.

4. The system of claim 1 , wherein the generating the ectopic beat-compensated electrical heterogeneity information comprises generating the ectopic beat-compensated electrical heterogeneity information based on electrical activity monitored during at least one ectopic beat.

5. The system of claim 1 , wherein the ectopic beat information is provided using at least one of an implantable cardiac device, a subcutaneous cardiac monitor, an external cardiac monitor, and the plurality of external electrodes of the electrode apparatus.

6. The system of claim 1 , comprising a cardiac therapy apparatus to deliver cardiac therapy based on the generated ectopic beat-compensated electrical heterogeneity information, wherein the computing apparatus is further configured to modify the cardiac therapy in response to the generated ectopic beat-compensated electrical heterogeneity information.

7. A system comprising:

electrode apparatus comprising a plurality of external electrodes to monitor electrical activity from tissue of a patient; and

computing apparatus comprising processing circuitry and coupled to the electrode apparatus and configured to:

monitor electrical activity using the plurality of external electrodes;

provide ectopic beat information; and

generate ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and the ectopic beat information;

wherein the generating the ectopic beat-compensated electrical heterogeneity information comprises generating ectopic beat-compensated electrical heterogeneity information based on electrical activity monitored during at least one non-ectopic beat.

8. The system of claim 7 , wherein the at least one non-ectopic beat comprises one of a beat monitored while delivering cardiac pacing therapy and an intrinsic beat monitored in the absence of delivering cardiac pacing therapy.

9. A system comprising:

electrode apparatus comprising a plurality of external electrodes to monitor electrical activity from tissue of a patient; and

computing apparatus comprising processing circuitry and coupled to the electrode apparatus and configured to:

monitor electrical activity using the plurality of external electrodes;

provide ectopic beat information; and

generate ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and the ectopic beat information;

wherein the ectopic beat information comprises a percentage of ectopic beats of a plurality of beats over a selected period of time.

10. A system comprising:

electrode apparatus comprising a plurality of external electrodes to monitor electrical activity from tissue of a patient; and

computing apparatus comprising processing circuitry and coupled to the electrode apparatus and configured to:

monitor electrical activity using the plurality of external electrodes;

provide ectopic beat information; and

generate ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and the ectopic beat information;

the system further comprising a cardiac therapy apparatus to deliver cardiac therapy based on the generated ectopic beat-compensated electrical heterogeneity information, wherein the computing apparatus is further configured to modify the cardiac therapy in response to the generated ectopic beat-compensated electrical heterogeneity information;

wherein the modification of the delivered cardiac therapy is repeated until the generated ectopic beat-compensated electrical heterogeneity information is less than or greater than a threshold.

11. A system comprising:

electrode apparatus comprising a plurality of external electrodes to monitor electrical activity from tissue of a patient; and

computing apparatus comprising processing circuitry and coupled to the electrode apparatus and configured to:

monitor electrical activity using the plurality of external electrodes;

provide ectopic beat information; and

generate ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and the ectopic beat information;

the system further comprising a cardiac therapy apparatus to deliver cardiac therapy based on the generated ectopic beat-compensated electrical heterogeneity information, wherein the computing apparatus is further configured to modify the cardiac therapy in response to the generated ectopic beat-compensated electrical heterogeneity information;

the modification of the delivered cardiac therapy comprises modifying the delivered cardiac therapy based on a pre-determined set of settings, and

a determination is made as to which setting of the pre-determined set of settings results in minimal ectopic-beat compensated electrical heterogeneity information.

12. A method comprising:

monitoring electrical activity from tissue of a patient using a plurality of external electrodes; and

generating ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and ectopic beat information.

13. The method of claim 12 , wherein the plurality of external electrodes comprises surface electrodes positioned in an array configured to be located proximate skin of a torso of the patient.

14. The method of claim 12 , further comprising displaying the ectopic beat-compensated electrical heterogeneity information on a graphical user interface to assist a user in evaluating patient cardiac health.

15. The method of claim 12 , wherein the generating the ectopic beat-compensated electrical heterogeneity information comprises generating the ectopic beat-compensated electrical heterogeneity information based on electrical activity monitored during at least one ectopic beat.

16. The method of claim 12 , comprising:

delivering cardiac therapy based on the generated ectopic beat-compensated electrical heterogeneity information using a cardiac therapy apparatus; and

modifying the cardiac therapy in response to the generated ectopic beat-compensated electrical heterogeneity information.

17. A method comprising:

monitoring electrical activity from tissue of a patient using a plurality of external electrodes; and

generating ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and ectopic beat information;

wherein the generating the ectopic beat-compensated electrical heterogeneity information comprises generating ectopic beat-compensated electrical heterogeneity information based on electrical activity monitored during at least one non-ectopic beat.

18. The method of claim 17 , wherein the at least one non-ectopic beat comprises one of a beat monitored while delivering cardiac pacing therapy and an intrinsic beat monitored in the absence of delivering cardiac pacing therapy.

19. A method comprising:

monitoring electrical activity from tissue of a patient using a plurality of external electrodes; and

generating ectopic beat-compensated electrical heterogeneity information based on the monitored electrical activity and ectopic beat information;

wherein the ectopic beat information comprises a ratio of ectopic beats of a plurality of beats over a selected period of time.

20. A system comprising:

electrode apparatus comprising a plurality of external electrodes to monitor electrical activity from tissue of a patient; and

computing apparatus comprising processing circuitry and coupled to the electrode apparatus and configured to:

monitor electrical activity using the plurality of external electrodes;

generate electrical heterogeneity information based on the monitored electrical activity; and

adjust the electrical heterogeneity information to compensate for ectopic beats resulting in ectopic beat-compensated electrical heterogeneity information.