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System and method to flag arrhythmia episodes for urgent review

  • US 10,321,823 B2
  • Filed: 12/21/2015
  • Issued: 06/18/2019
  • Est. Priority Date: 12/21/2015
  • Status: Active Grant
First Claim
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1. A method of flagging monitored ECG samples for urgent review by a human expert, the method comprising:

  • continuously monitoring, using an adherent device having at least two electrodes and ECG circuitry, an electro-cardiogram (ECG) signal of the patient;

    monitoring, using the adherent device, one or more physiological signals other than the ECG signal, including one or more of bio-impedance signal, respiration signal, body posture signal, and activity level;

    detecting, using a local processor module included on the adherent device, a rhythm abnormality in the patient based on the monitored ECG signal;

    storing, in a local memory located on the adherent device, an ECG sample associated with the detected rhythm abnormality;

    deriving, using the local processor module, one or more first features from the one or more monitored physiological signals, wherein the one or more first features are associated with the stored ECG sample;

    determining whether the ECG sample represents a physiological signal based on the one or more first features;

    discarding ECG samples that do not represent a physiological signal;

    communicating, using wireless communication circuitry located on the adherent device, ECG samples determined to represent a physiological signal to a remote monitoring center;

    deriving, at the remote monitoring center, one or more second features associated with the communicated ECG samples;

    flagging communicated ECG samples for urgent review based on the one or more second features; and

    placing flagged ECG samples in a prioritized queue at the remote monitoring center for out-of-order review by a human expert.

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