BACKGROUND

The present application describes systems and techniques relating to processing and presenting arrhythmia event information from physiological data, for example, presenting atrial fibrillation events and related data in a patient report to a medical practitioner.

Over the years, various devices have been used for monitoring hearts in living beings. Additionally, systems have been used to collect and report on heart information obtained from patients.

SUMMARY

In a first aspect, a machine implemented method includes obtaining data associated with cardiac arrhythmia events and heart rate in a monitored living being; determining a total time period of monitoring for a first day; calculating from the obtained data a proportion of the total time period for the first day spent in cardiac arrhythmia; and generating for display a patient report, including adding to the patient report information related to: the total time period for the first day, and the proportion of the total time period for the first day spent in cardiac arrhythmia.

Implementations can include any, all, or none of the following features. Obtaining data associated with cardiac arrhythmia events can include obtaining data associated with atrial fibrillation events; calculating from the obtained data a proportion of the total time period for the first day spent in cardiac arrhythmia can include calculating from the obtained data a proportion of the total time period for the first day spent in atrial fibrillation; and adding to the patient report information related to the proportion of the total time period for the first day spent in cardiac arrhythmia can include adding to the patient report information related to the proportion of the total time period for the first day spent in atrial fibrillation. The machine-implemented method can include calculating from the obtained data a proportion of the total time period for the first day not spent in cardiac arrhythmia; and wherein adding to the patient report information can include adding to the patient report information related to the proportion of the total time period for the first day not spent in cardiac arrhythmia. Adding to the patient report information can include adding information related to a chart can including: a graph, can including a first axis representing a duration of time and a second axis representing date; a bar on the graph having a dimension parallel to the first axis wherein the length of the dimension depicts the total time period of monitoring for the first day; a first color on the bar and a second color on the bar; wherein the amount of the first color with respect to the second color can be proportional to the proportion of the total time period for the first day spent in cardiac arrhythmia; and wherein the amount of the second color with respect to the first color can be proportional to the proportion of the total time period for the first day not spent in cardiac arrhythmia.

The machine-implemented method can include calculating from the obtained data a maximum, a minimum, and an average heart rate for the proportion of the total time period for the first day spent in cardiac arrhythmia; calculating from the obtained data a maximum, a minimum, and an average heart rate for the proportion of the total time period for the first day not spent in cardiac arrhythmia; and wherein adding to the patient report information can include adding information related to: the maximum, the minimum, and the average heart rate calculated for the proportion of the total time period spent in cardiac arrhythmia; and the maximum, the minimum, and the average heart rate calculated for the proportion of the total time period not spent in cardiac arrhythmia.

Adding to the patient report information can include adding information related to a chart including: a graph, including a first axis representing heart rate and a second axis representing date of monitoring; a first bar on the graph having a dimension parallel to the first axis; the first bar having a first end proximal to the second axis and a second end distal to the second axis, wherein the first end represents the minimum heart rate and the second end represents the maximum heart calculated for the proportion of the total time period spent in cardiac arrhythmia; a first indicator on the first bar for indicating the average heart rate calculated for the proportion of the total time period spent in cardiac arrhythmia; a second bar on the graph having a dimension parallel to the first axis; the second bar having a first end proximal to the second axis and a second end distal to the second axis, wherein the first end represents the minimum heart rate and the second end represents the maximum heart calculated for the proportion of the total time period not spent in cardiac arrhythmia; and a second indicator on the second bar for indicating the average heart rate calculated for the proportion of the total time period not spent in cardiac arrhythmia.

Adding information related to a chart can include adding information related to the first and second indicator wherein the first indicator can have a different color or shape than the second indicator. The machine-implemented method can include determining a total time period of monitoring for a second or more days; calculating from the obtained data a proportion of the total time period spent in cardiac arrhythmia for each of the second or more days; and wherein adding information to the patient report can include adding information related to: the total time period for each of the second or more days; and the proportion of the total time period spent in cardiac arrhythmia for each of the second or more days. The machine-implemented method can include calculating from the obtained data a proportion of the total time period not spent in cardiac arrhythmia for each of the second or more days; and wherein adding to the patient report information can include adding information related to the proportion of the total time period not spent in cardiac arrhythmia for each of the second or more days.

Obtaining data associated with cardiac arrhythmia events can include obtaining data associated with the on-set and off-set of a cardiac arrhythmia event. The machine-implemented method can include receiving human assessment data associated with the cardiac arrhythmia events; and modifying the proportion of the total time period for the first day spent in cardiac arrhythmia based on the human assessment data. The machine-implemented method can include calculating one or more of a total time spent in cardiac arrhythmia, a maximum heart rate for the proportion of the total time period spent in cardiac arrhythmia, a longest cardiac arrhythmia episode, an average heart rate for the proportion of the total time period spent in cardiac arrhythmia, an average heart rate for the proportion of the total time period not spent in cardiac arrhythmia; and wherein adding to the patient report information can include adding information related to one or more of the total time monitored, the total time spent in cardiac arrhythmia, the maximum heart rate for the proportion of the total time period spent in cardiac arrhythmia, the longest cardiac arrhythmia episode, the average heart rate for the proportion of the total time period spent in cardiac arrhythmia, and the average heart rate for the proportion of the total time period not spent in cardiac arrhythmia.

In a second aspect, a system includes one or more computers and a computer-readable storage device having a computer program product encoded therein, the computer program product operable to cause the one or more computers to perform operations including: obtaining data associated with cardiac arrhythmia events and heart rate in a monitored living being; determining a total time period of monitoring for a first day; calculating from the obtained data a proportion of the total time period for the first day spent in cardiac arrhythmia; and generating for display a patient report including adding to the patient report information related to: the total time period for the first day and the proportion of the total time period for the first day spent in cardiac arrhythmia.

Implementations can include any, all, or none of the following features. Obtaining data associated with cardiac arrhythmia events can include obtaining data associated with atrial fibrillation events; calculating from the obtained data a proportion of the total time period for the first day spent in cardiac arrhythmia can include calculating from the obtained data a proportion of the total time period for the first day spent in atrial fibrillation; and adding to the patient report information related to the proportion of the total time period for the first day spent in cardiac arrhythmia can include adding to the patient report information related to the proportion of the total time period for the first day spent in atrial fibrillation. The computer-readable storage device can be further operable to cause the one or more computers to perform operations including calculating from the obtained data a proportion of the total time period for the first day not spent in cardiac arrhythmia; and adding to the patient report information can include adding to the patient report information related to the proportion of the total time period for the first day not spent in cardiac arrhythmia. Adding to the patient report information can include adding information related to a chart including: a graph, including a first axis representing time and a second axis representing date; a bar on the graph having a dimension parallel to the first axis wherein the length of the dimension depicts the total time period of monitoring for the first day; a first color on the bar and a second color on the bar; wherein the amount of the first color with respect to the second color is proportional to the proportion of the total time period for the first day spent in cardiac arrhythmia; and wherein the amount of the second color with respect to the first color is proportional to the proportion of the total time period for the first day not spent in cardiac arrhythmia.

The computer-readable storage device can be further operable to cause the one or more computers to perform operations including: calculating from the obtained data a maximum, a minimum, and an average heart rate for the proportion of the total time period for the first day spent in cardiac arrhythmia; calculating from the obtained data a maximum, a minimum, and an average heart rate for the proportion of the total time period for the first day not spent in cardiac arrhythmia; and wherein adding to the patient report information can include adding information related to: the maximum, the minimum, and the average heart rate calculated for the proportion of the total time period spent in cardiac arrhythmia; and the maximum, the minimum, and the average heart rate calculated for the proportion of the total time period not spent in cardiac arrhythmia. Adding to the patient report information can include adding information related to a chart including: a graph, including a first axis representing heart rate and a second axis representing date of monitoring; a first bar on the graph having a dimension parallel to the first axis; the first bar having a first end proximal to the second axis and a second end distal to the second axis, wherein the first end represents the minimum heart rate and the second end represents the maximum heart calculated for the proportion of the total time period spent in cardiac arrhythmia; a first indicator on the first bar for indicating the average heart rate calculated for the proportion of the total time period spent in cardiac arrhythmia; a second bar on the graph having a dimension parallel to the first axis; the second bar having a first end proximal to the second axis and a second end distal to the second axis, wherein the first end represents the minimum heart rate and the second end represents the maximum heart calculated for the proportion of the total time period not spent in cardiac arrhythmia; and a second indicator on the second bar for indicating the average heart rate calculated for the proportion of the total time period not spent in cardiac arrhythmia.

Adding information related to a chart can include adding information related to the first and second indicator wherein the first indicator can have a different color or shape than the second indicator. The computer-readable storage device can be further operable to cause the one or more computers to perform operations including determining a total time period of monitoring for a second or more days; calculating from the obtained data a proportion of the total time period spent in cardiac arrhythmia for each of the second or more days; and wherein adding information to the patient report can include adding information related to: the total time period for each of the second or more days; and the proportion of the total time period spent in cardiac arrhythmia for each of the second or more days. The computer-readable storage device can be further operable to cause the one or more computers to perform operations including calculating from the obtained data a proportion of the total time period not spent in cardiac arrhythmia for each of the second or more days; and wherein adding to the patient report information can include adding information related to the proportion of the total time period not spent in cardiac arrhythmia for each of the second or more days. Obtaining data associated with cardiac arrhythmia events can include obtaining data associated with the on-set and off-set of a cardiac arrhythmia event. The computer-readable storage device can be further operable to cause the one or more computers to perform operations can include receiving human assessment data associated with the cardiac arrhythmia events; and modifying the proportion of the total time period for the first day spent in cardiac arrhythmia based on the human assessment data. The computer-readable storage device can be further operable to cause the one or more computers to perform operations including calculating a longest cardiac arrhythmia episode; and wherein adding to the patient report information can include adding information related to one or more of: the total time monitored; the total time spent in cardiac arrhythmia; the maximum heart rate for the proportion of the total time period spent in cardiac arrhythmia; a longest cardiac arrhythmia episode; the average heart for the proportion of the total time period spent in cardiac arrhythmia; and the average heart rate for the proportion of the total time period not spent in cardiac arrhythmia.

In a third aspect, a machine implemented method includes obtaining data associated with cardiac arrhythmia events and heart rate in a monitored living being; determining a total time period of monitoring for each of a plurality of days; calculating from the obtained data for each of the plurality of days a proportion of the total time period spent in cardiac arrhythmia and a proportion of the total time period not spent in cardiac arrhythmia; generating for display a patient report that includes adding information to a single chart related to: summary statistical data for the proportion of the total time period for the plurality of days spent in cardiac arrhythmia. The method further includes summary statistical data for the proportion of the total time period for the plurality of days not spent in cardiac arrhythmia.

Implementations can include any, all, or none of the following features. Obtaining data associated with cardiac arrhythmia events can include obtaining data associated with atrial fibrillation events; calculating from the obtained data for each of the plurality of days a proportion of the total time period spent in cardiac arrhythmia and a proportion of the total time period not spent in cardiac arrhythmia can include calculating from the obtained data for each of the plurality of days a proportion of the total time period spent in atrial fibrillation and a proportion of the total time period not spent in atrial fibrillation; and adding information to a single chart related to summary statistical data for the proportion of the total time period for each of the plurality of days spent in cardiac arrhythmia comprises adding information to a single chart related to summary statistical data for the proportion of the total time period for each of the plurality of days spent in atrial fibrillation; and adding information to a single chart related to summary statistical data for the proportion of the total time period for each of the plurality of days not spent in cardiac arrhythmia can include adding information to a single chart related to summary statistical data for the proportion of the total time period for each of the plurality of days not spent in atrial fibrillation. Adding information to a single chart can include adding information related to: the total time period of monitoring for each of the plurality of days; wherein the information related to the summary statistical data for the proportion of the total time period for each of the plurality of days spent in cardiac arrhythmia can include a percentage of the total time period for each of the plurality of days spent in cardiac arrhythmia; and wherein the information related to the summary statistical data for the proportion of the total time period for each of the plurality of days not spent in cardiac arrhythmia can include a percentage of the total time period for each of the plurality of days not spent in cardiac arrhythmia. Adding information to a single chart can include adding information related to: a graph, including a first axis representing a duration of time and a second axis representing date; a bar for each of the plurality of days on the graph, each having a dimension parallel to the first axis wherein the length of the dimension depicts the total time period of monitoring for each of the plurality of days; a first color on each bar and a second color on each bar; wherein the amount of the first color with respect to the second color on each bar can be proportional to the proportion of the total time period for the each of the plurality of days spent in cardiac arrhythmia; and wherein the amount of the second color with respect to the first color on each bar can be proportional to the proportion of the total time period for each of the plurality of days not spent in cardiac arrhythmia.

The machine implemented method can include calculating from the obtained data a maximum, a minimum, and an average heart rate for the proportion of the total time period spent in cardiac arrhythmia for each of the plurality of days; calculating from the obtained data a maximum, a minimum, and an average heart rate for the proportion of the total time period not spent in cardiac arrhythmia for each of the plurality of days; and wherein adding information to a single chart can include adding information related to: the maximum, the minimum, and the average heart rate calculated for the proportion of the total time period spent in cardiac arrhythmia for each of the plurality of days; and the maximum, the minimum, and the average heart rate calculated for the proportion of the total time period not spent in cardiac arrhythmia for each of the plurality of days. Adding information to a single chart can include adding information related: a graph, including a first axis representing heart rate and a second axis representing the date of monitoring; a first bar for each of the plurality of days on the graph, each bar having a dimension parallel to the first axis; the each of the first bars having a first end proximal to the second axis and a second end distal to the second axis, wherein the first end represents the minimum heart rate and the second end represents the maximum heart calculated for the proportion of the total time period spent in cardiac arrhythmia for each of the plurality of days; a first indicator on each of the first bars for indicating the average heart rate calculated for the proportion of the total time period spent in cardiac arrhythmia for each of the plurality of days; a second bar for each of the plurality of days on the graph, each having a dimension parallel to the first axis; each of the second bars having a first end proximal to the second axis and a second end distal to the second axis, wherein the first end represents the minimum heart rate and the second end represents the maximum heart calculated for the proportion of the total time period not spent in cardiac arrhythmia for each of the plurality of days; and a second indicator on each of the second bars for indicating the average heart rate calculated for the proportion of the total time period not spent in cardiac arrhythmia for each of the plurality of days. Adding information related to a graph can include adding information relating the first indicators, the first indicators having a consistent color or shape different from the second indicators.

In a fourth aspect, a system includes a monitoring device configured to obtain physiological data for a living being and to generate annotation data based on the physiological data for a total time period; a processing system configured to obtain the annotation data via a communication channel from the monitoring device and to generate for display based on the annotation data a daily patient report that includes, a chart showing summary statistical data for a proportion of a total monitored time period spent in cardiac arrhythmia for a plurality of days and summary statistical data for a proportion of the total monitored time period not spent in cardiac arrhythmia for the plurality of days.

Implementations can include any, all, or none of the following features. Cardiac arrhythmia can include atrial fibrillation. The processing system can be further configured to receive a request for the physiological data and to obtain the physiological data from the monitoring device. The physiological data can include ECG data and heart rate data. The processing system can be configured to receive alterations in the annotation data. The summary statistical data can include for each of the plurality of days: the total monitored time, a percentage of the total monitored time spent in cardiac arrhythmia, and a percentage of the total monitored time not spent in cardiac arrhythmia. The summary statistical data can include for each of the plurality of days: a minimum heart rate, a maximum heart rate, an average heart rate for the proportion of the total monitored time spent in cardiac arrhythmia, and a minimum heart rate, a maximum heart rate, an average heart rate for the proportion of the total monitored time not spent in cardiac arrhythmia.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below. Other features, objects, and advantages of the invention will be apparent from the description and drawings, and from the claims.

