ELIMINATION OF NEGATIVE COMPONENT OF UNIPOLAR ATRIAL ELECTROGRAM AND SIGNALING OF SAME

1 . A method for therapeutic signaling, the method comprising:

receiving, by at least one processor, a unipolar electrogram signal from a catheter;

displaying, on at least one digital display, a signal waveform based on the unipolar electrogram signal using a first attribute, wherein the signal waveform represents one or more cycles from a patient's heart;

monitoring, by the at least one processor, the signal waveform to detect a change in a negative component of the unipolar electrogram signal; and

signaling the change on the at least one digital display when the change is detected in at least a threshold number of consecutive cycles.

2 . The method of claim 1 , wherein the signaling further comprising:

displaying the signal waveform using a second attribute, the second attribute being different than the first attribute.

3 . The method of claim 2 , wherein the first attribute is displayed as a first color and the second attribute is displayed as a second color.

4 . The method of claim 1 , wherein the signaling further comprising:

displaying an annotation indicating the change on the signal waveform on the at least one digital display.

5 . The method of claim 1 , wherein the monitoring further comprising:

determining whether the unipolar electrogram has the negative component by comparing a potential of the unipolar electrogram signal to a baseline;

updating a counter when the negative component is not detected; and

comparing the counter to the at least threshold number of consecutive cycles.

6 . The method of claim 5 , further comprising:

dynamically identifying the baseline based on the one or more cycles received by the catheter.

7 . The method of claim 1 , wherein the threshold number comprises three cycles.

8 . The method of claim 1 , further comprising:

redisplaying, on the at least one digital display, the signal waveform using the first attribute in response to detecting the negative component of the unipolar electrogram signal.

9 . The method of claim 1 , further comprising:

delaying the signaling for a threshold period.

10 . The method of claim 1 , further comprising:

displaying a plurality of signal waveforms corresponding to a clean signal of the unipolar electrogram signal, wherein the plurality of signal waveforms are generated from the unipolar electrogram signal using predetermined and/or user adjusted different filtering settings; and

signaling the change on each signal waveform of the plurality of signal waveforms on the at least one digital display.

11 . The method of claim 1 , further comprising:

displaying an indication of the change at a location of a digital representation of the patient's heart, wherein the indication indicates that a therapy at the location is successfully completed.

12 . A system, comprising:

a memory; and

at least one processor coupled to the memory and configured to:

receive a unipolar electrogram signal from a catheter;

display on at least one digital display a signal waveform based on the unipolar electrogram signal using a first attribute, wherein the signal waveform represents one or more cycles from a patient's heart;

monitor the signal waveform to detect a change in a negative component of the unipolar electrogram signal; and

signal the change on the at least one digital display when the change is detected in at least a threshold number of consecutive cycles.

13 . The system of claim 12 , wherein to signal the change, the at least one processor is further configured to:

display the signal waveform using a second attribute, the second attribute being different than the first attribute.

14 . The system of claim 13 , wherein the first attribute is displayed as a first color and the second attribute is displayed as a second color.

15 . The system of claim 12 , wherein to signal the change, the at least one processor is further configured to:

displaying an annotation indicating the change on the signal waveform on the at least one digital display.

16 . The system of claim 12 , wherein to monitor the signal waveform, the at least one processor is further configured to:

determine whether the unipolar electrogram has the negative component by comparing a potential of the unipolar electrogram signal to a baseline;

update a counter when the negative component is not detected; and

compare the counter to the at least threshold number of consecutive cycles.

17 . The system of claim 16 , wherein the processor is further configured to:

dynamically identify the baseline based on the one or more cycles received by the catheter.

18 . The system of claim 12 , wherein the threshold number comprises three cycles.

19 . The system of claim 12 , wherein the processor is further configured to:

redisplay, on the at least one digital display, the signal waveform using the first attribute in response to detecting the negative component of the unipolar electrogram signal.

20 . The system of claim 12 , wherein the processor is further configured to:

delay the signaling for a threshold period.

21 . A non-transitory computer-readable device having instructions stored thereon that, when executed by at least one computing device, causes the at least one computing device to perform operations comprising:

receiving a unipolar electrogram signal from a catheter;

displaying, on at least one digital display, a signal waveform based on the unipolar electrogram signal using a first attribute, wherein the signal waveform represents one or more cycles from a patient's heart;

monitoring the signal waveform to detect a change in a negative component of the unipolar electrogram signal; and

signaling the change on the at least one digital display when the change is detected in at least a threshold number of consecutive cycles.