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Systems and methods for analysis and display of heart sounds

  • US 7,806,833 B2
  • Filed: 04/26/2007
  • Issued: 10/05/2010
  • Est. Priority Date: 04/27/2006
  • Status: Active Grant
First Claim
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1. A method for displaying heart sounds of a patient, the method comprising:

  • sensing heart sounds from at least one chest location of the patient;

    transducing the heart sounds into electrical signals;

    selectively filtering the electrical signals thereby highlighting frequency differences of the heart sounds, and wherein the selectively filtered electrical heart signals corresponds to a choice of a bell mode and a diaphragm mode;

    decomposing the bell mode or the diaphragm mode electrical signal into two component frequency ranges consisting of both a substantially lower frequency range and a substantially higher frequency range; and

    separately displaying the substantially lower frequency range and the substantially higher frequency range of the decomposed bell or diaphragm mode.

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