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METHOD FOR ESTIMATING CARDIAC PRESSURE USING PARAMETERS DERIVED FROM IMPEDANCE SIGNALS DETECTED BY AN IMPLANTABLE MEDICAL DEVICE

  • US 20080039821A1
  • Filed: 08/20/2007
  • Published: 02/14/2008
  • Est. Priority Date: 01/11/2000
  • Status: Active Grant
First Claim
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1. A method for estimating cardiac pressure within a patient using an implantable medical device, the method comprising:

  • applying an electrical field to tissues of the patient including cardiac tissues;

    measuring a parameter influenced by the electrical field, the parameter being affected by cardiac pressure; and

    estimating cardiac pressure within the patient by applying predetermined conversion factors to the measured parameter.

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