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Apparatus and method for determining a physiologic parameter of a patient applying fourier transformation

  • US 20080033306A1
  • Filed: 07/23/2007
  • Published: 02/07/2008
  • Est. Priority Date: 08/03/2006
  • Status: Active Grant
First Claim
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1. Apparatus for determining at least one physiologic parameter of a patient, said apparatus comprising(a) at least one pressure sensor device adapted to provide readings of a blood pressure of said patient, and(b) storage means for storing said readings as at least one pressure curve over time,(c) fourier transformation means for subjecting said at least one pressure curve to a fourier transformation, and(d) evaluation means adapted to retrieve at least one ofa cardiac power value representing cardiac power anda respiratory power value representing respiratory powerfrom at least one fourier transform received from said fourier transformation and to determine said physiologic parameter from at least one of said cardiac power value and respiratory power value.

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