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Pacemaker with safety pacing

  • US 5,782,881 A
  • Filed: 09/20/1996
  • Issued: 07/21/1998
  • Est. Priority Date: 09/20/1996
  • Status: Expired due to Term
First Claim
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1. A dual chamber pacemaker comprising:

  • atrial pacing means for generating atrial pacing pulses for the atrium;

    ventricular sensing means for sensing activity in the ventricle;

    ventricular pacing means for generating ventricular pacing pulses for the ventricle;

    a-v interval means for defining an a-v interval between atrial and ventricle activities;

    monitoring means for defining a monitoring window within said a-v delay and for detecting an abnormal signal during said monitoring window;

    feature extracting means for extracting features of said abnormal signal;

    categorizing means for categorizing said abnormal signal as one of a plurality of preselected signals based on said features; and

    safety pacing means for generating a ventricular signal if said categorizing means does not categorize said abnormal signal.

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