Detection of chronic electrode leads off

1 . An electrical signal monitoring medical system, comprising:

at least one electrode, the at least one electrode configured to be attachable to a skin of a person and configured to receive electrical signals; and

a processor communicatively coupled to the at least one electrode, the processor configured to:

determine an impedance at the at least one electrode, wherein the determined impedance corresponds to an indication of attachment integrity of the at least one electrode on the skin;

categorize the at least one electrode into a category of a plurality of categories based, at least in part, on the determined impedance at the at least one electrode, each of the plurality of categories being associated with the attachment integrity, wherein the plurality of categories of the at least one electrode comprises:

a first category of the at least one electrode categorized based on a comparison of the determined impedance at the at least one electrode with a first impedance threshold,

a second category of the at least one electrode categorized based on a comparison of the determined impedance at the at least one electrode with a second impedance threshold, and

a third category of the at least one electrode categorized based on a comparison of the determined impedance at the at least one electrode with a third impedance threshold,

responsive to a determination that the category of the at least one electrode is the first category, activate a first alert of a plurality of alerts;

responsive to a determination that the category of the at least one electrode is the second category, activate a second alert of the plurality of alerts, wherein the second alert is activated slower than the first alert, and

wherein the processor is further configured to abstain from activating an alert responsive to a determination of the third category of the at least one electrode;

responsive to the activation of the first or the second alert, cause a corrective action to be performed to restore the attachment integrity of the at least one electrode on the skin; and

cause a therapy to be provided to the person to treat a cardiac condition of the person after the corrective action is performed.

2 . The electrical signal monitoring medical system of claim 1 , wherein the first impedance threshold corresponds to a value equal to or less than 1 mega ohm, the second impedance threshold corresponds to a range between 50 kilo ohm and 1 mega ohm, and the third impedance threshold corresponds to a value equal to or less than 50 kilo ohm.

3 . The electrical signal monitoring medical system of claim 1 , wherein the processor is further configured to determine a daily activity routine of the person.

4 . The electrical signal monitoring medical system of claim 3 , wherein the processor is further configured to correlate the determined daily activity routine of the person with a plurality of indications of attachment integrity determined per day.

5 . The electrical signal monitoring medical system of claim 1 , wherein the processor is configured to determine the indication of attachment integrity based, at least in part, on a number of indications determined over a period of time.

6 . The electrical signal monitoring medical system of claim 1 , wherein to activate the alert, the processor is configured to activate a visual alert.

7 . The electrical signal monitoring medical system of claim 6 , wherein to activate the alert, the processor is configured to activate a light emitting diode (LED).

8 . The electrical signal monitoring medical system of claim 6 , wherein to activate the alert, the processor is configured to activate a display, the display configured to be a user interface.

9 . The electrical signal monitoring medical system of claim 1 , wherein the processor is further configured to:

determine a number of intermittent leads-off conditions for a period of time; and

determine whether the number of intermittent leads-off conditions for the period of time are within a predetermined parameter.

10 . The electrical signal monitoring medical system of claim 1 , wherein the processor is further configured to utilize one or more combinations of an amount of time the at least one electrode is off, a percentage of time that the at least one electrode is off, and a number of noise events experienced by the at least one electrode to determine the first, the second, and the third impedance thresholds.

11 . A method for determining electrode leads off conditions of a medical device, the method comprising:

determining, by a processor, an impedance at at least one electrode, wherein the determining the impedance corresponds to determining an indication of attachment integrity of the at least one electrode on a skin of a person;

categorizing the at least one electrode into a category of a plurality of categories based, at least in part, on the determined impedance at the at least one electrode, each of the plurality of categories being associated with the attachment integrity, wherein the categorizing of the at least one electrode comprises:

comparing the determined impedance at the at least one electrode with a first impedance threshold to determine a first category of the at least one electrode;

comparing the determined impedance at the at least one electrode with a second impedance threshold to determine a second category of the at least one electrode; and

comparing the determined impedance at the at least one electrode with a third impedance threshold to determine a third category of the at least one electrode;

responsive to determining that the determined category of the at least one electrode is the first category, activating a first alert of a plurality of alerts;

responsive to determining that the determined category of the at least one electrode is the second category, activating a second alert of the plurality of alerts, wherein the second alert is activated slower than the first alert, and

wherein an alert is abstained from activating responsive to a determination of the third category of the at least one electrode;

responsive to activating the first or the second alert, causing a corrective action to be performed to restore the attachment integrity of the at least one electrode on the skin;

causing a therapy to be provided to the person to treat a cardiac condition of the person after the corrective action is performed.

12 . The method of claim 11 , wherein the determining the impedance comprises determining a plurality of changes in impedance.

13 . The method of claim 11 , wherein the determining the indication of attachment integrity of the at least one electrode comprises determining a plurality of indications per day.

14 . The method of claim 11 , further comprising determining a daily activity routine of the person.

15 . The method of claim 14 , wherein the determining the daily activity routine of the person comprises correlating the determined daily activity routine of the person with a plurality of indications of attachment integrity of the at least one electrode determined per day.

16 . The method of claim 11 , wherein the determining the indication of attachment integrity is based, at least in part, on a number of indications determined over a period of time.

17 . The method of claim 11 , further comprising:

determining a number of intermittent leads-off conditions for a period of time; and

determining whether the number of intermittent leads-off conditions for the period of time are within a predetermined parameter.

18 . The method of claim 11 , further comprising utilizing one or more combinations of an amount of time the at least one electrode is off, a percentage of time that the at least one electrode is off, and a number of noise events experienced by the at least one electrode to determine the first, the second, and the third impedance thresholds.

19 . A method for determining electrode leads off and leads on conditions of a medical device, the method comprising:

determining, by a processor, an impedance at at least one electrode, wherein the determining the impedance corresponds to determining an indication of attachment integrity of the at least one electrode on a skin of a person, and wherein the determining the indication comprises determining a plurality of indications having both leads on and leads off indications of the at least one electrode on the skin over a period of time;

categorizing the at least one electrode into a category of a plurality of categories based, at least in part, on the determined plurality of indications, each of the plurality of categories being associated with the attachment integrity, wherein the categorizing of the at least one electrode comprises:

comparing the determined impedance at the at least one electrode with a first impedance threshold to determine a first category of the at least one electrode categorized as first leads off condition;

comparing the determined impedance at the at least one electrode with a second impedance threshold to determine a second category of the at least one electrode categorized as second leads off condition; and

comparing the determined impedance at the at least one electrode with a third impedance threshold value to categorize a third category of the at least one electrode categorized as third leads on condition;

responsive to determining that the category of the at least one electrode is the first category, activating a first alert of a plurality of alerts;

responsive to determining that the category of the at least one electrode is the second category, activating a second alert of the plurality of alerts, wherein the second alert is activated slower than the first alert;

abstaining from activating an alert during the determined third category of the at least one electrode;

responsive to activating the first or the second alert, causing a corrective action to be performed to restore the attachment integrity of the at least one electrode on the skin; and

causing a therapy to be provided to the person to treat a cardiac condition of the person after the corrective action is performed.

20 . The method of claim 19 , wherein the determining the plurality of indications comprises determining whether the leads on and leads off indications are within a percentage of electrode attachment on the skin for a period of time.

21 . The method of claim 19 , wherein the determining the plurality of indications comprises determining whether the leads on and leads off indications are within a length of time.

22 . The method of claim 19 , wherein the determining the plurality of indications comprises determining whether the leads off indications are continuous.

23 . The method of claim 19 , wherein the determining the plurality of indications comprises determining a number of the plurality of indications of attachment integrity.

24 . The method of claim 19 , further comprising utilizing one or more combinations of an amount of time the at least one electrode is off, a percentage of time that the at least one electrode is off, and a number of noise events experienced by the at least one electrode to determine the first, the second, and the third impedance thresholds.

25 . An electrical signal monitoring medical system, comprising:

a plurality of electrodes, the plurality of electrodes configured to be attachable to a skin of a person; and

a processor communicatively coupled to the plurality of electrodes, the processor configured to:

determine a plurality of indications of attachment integrity of one or more of the plurality of electrodes on the skin, wherein the plurality of indications are determined by determination of an impedance at the one or more of the plurality of electrodes over a period of time;

categorize the one or more of the plurality of electrodes into a category of a plurality of categories based, at least in part, on the determined impedance at the one or more of the plurality of electrodes, each of the plurality of categories being associated with the attachment integrity, wherein the plurality of categories of the one or more of the plurality of electrodes comprises:

a first category of the one or more of the plurality of electrodes categorized based on the determined impedance at the one or more of the plurality of electrodes with a first impedance threshold;

a second category of the one or more of the plurality of electrodes categorized based on a comparison of the determined impedance at the one or more of the plurality of electrodes with a second impedance threshold; and

a third category of the one or more of the plurality of electrodes categorized based on a comparison of the determined impedance at the one or more of the plurality of electrodes with a third impedance threshold;

responsive to a determination that the category of the one or more electrodes is the first category, activate a first alert of a plurality of alerts;

responsive to a determination that the category of the one or more electrodes is the second category, activate a second alert of the plurality of alerts, wherein the second alert is activated slower than the first alert, and

wherein the processor is further configured to abstain from activating an alert responsive to a determination of the third category of the one or more of the plurality of electrodes;

responsive to the activation of the first or the second alert, cause a corrective action to be performed to restore the attachment integrity of the at least one electrode on the skin; and

cause a therapy to be provided to the person to treat a cardiac condition of the person after the corrective action is performed.

26 . The electrical signal monitoring medical system of claim 25 , wherein the processor is configured to determine the plurality of indications from a predetermined number of the plurality of electrodes.

27 . The electrical signal monitoring medical system of claim 25 , wherein the processor is further configured to utilize one or more combinations of an amount of time the one or more of the plurality of electrodes are off, a percentage of time that the one or more of the plurality of electrodes are off, and a number of noise events experienced by the one or more of the plurality of electrodes to determine the first, the second, and the third impedance thresholds.

28 . An electrical signal monitoring medical system, comprising:

a plurality of electrodes, the plurality of electrodes configured to be attachable to a skin of a person;

a processor communicatively coupled to the plurality of electrodes, the processor configured to:

determine one or more indications of attachment integrity of the plurality of electrodes on the skin, wherein the one or more indications are determined by determination of an impedance at each of the plurality of electrodes over a period of time;

categorize each of the plurality of electrodes into a category of a plurality of categories based, at least in part, on the determined impedance at each of the plurality of electrodes, each of the plurality of categories being associated with the attachment integrity, wherein the plurality of categories of each of the plurality of electrodes comprises:

a first category of respective electrode of the plurality of electrodes categorized based on the determined impedance at the respective electrode with a first impedance threshold; and

a second category of respective electrode of the plurality of electrodes categorized based on the determined impedance at the respective electrode with a second impedance threshold;

responsive to a determination that the category of the respective electrode of the plurality of electrodes is the first category, activate a first alert of a plurality of alerts;

responsive to a determination that the category of the respective electrode of the plurality of electrodes is the second category, activate a second alert of the plurality of alerts, wherein the second alert is activated slower than the first alert;

responsive to the activation of the first or the second alert, cause a corrective action to be performed to restore the attachment integrity of the at least one electrode on the skin; and

cause a therapy to be provided to the person to treat a cardiac condition of the person after the corrective action is performed.