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Analysis of metabolic gases by an implantable cardiac device for the assessment of cardiac output

  • US 7,494,470 B1
  • Filed: 09/10/2004
  • Issued: 02/24/2009
  • Est. Priority Date: 09/10/2004
  • Status: Expired due to Fees
First Claim
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1. An implantable cardiac device comprising:

  • an extravascular sensor for measuring arterial blood gas content;

    an intravascular sensor for measuring venous blood gas content; and

    an electronic circuit for providing an indication of cardiac output based on the difference between said arterial and venous blood gas contents wherein said extravascular sensor is incorporated on a surface of a header of an exterior housing of the electronic circuit.

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