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Heart monitoring device, system and method

  • US 20040082974A1
  • Filed: 07/30/2003
  • Published: 04/29/2004
  • Est. Priority Date: 07/30/2002
  • Status: Active Grant
First Claim
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1. An implantable heart monitoring device comprising:

  • a control circuit;

    a first sensor adapted to be disposed in a coronary sinus region of a heart to sense at least one constituent of blood, and supplying a first sensor signal representing said constituent to the control circuit;

    at least one further sensor adapted to interact with the heart to sense activity of the heart, said at least one further sensor supplying a further sensor signal representing said activity to the control circuit; and

    said control circuit, from said further sensor signal, identifying first and second portions of a heart cycle of the heart, and from said first sensor signal, determining a first value related to said blood constituent during said first portion and determining a second value related to said blood constituent during said second portion.

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