Staged cardiac rhythm detection system and method

Staged cardiac rhythm detection system and method

  • CN 105,324,076 B
  • Filed: 04/23/2014
  • Issued: 04/17/2020
  • Est. Priority Date: 04/26/2013
  • Status: Active Grant
First Claim
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1. A medical device for detecting and treating tachyarrhythmias, comprising:

  • a plurality of electrodes for acquiring cardiac signals;

    a sensing module coupled to the plurality of electrodes for sensing cardiac events in response to the cardiac signals; and

    a processing module configured to;

    performing an initial detection process comprising detecting a shockable rhythm by comparing the cardiac signal to a first set of detection criteria;

    establishing at least one patient-specific detection threshold during the initial detection process by analyzing the cardiac signal; and

    upon establishing the at least one patient-specific detection threshold, stopping the initial detection process and starting a next detection process, the next detection process comprising comparing the cardiac signal to a second set of detection criteria comprising the at least one patient-specific detection threshold,the first set of detection criteria is associated with a first set of cardiac signal features and the second set of detection criteria is associated with a second set of cardiac signal features that is different from the first set of cardiac signal features.

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