Resources Contact Us Home
Detection of cardiac arrhythmia using mathematical representation of standard .DELTA.RR probability density histograms

Image Number 13 for United States Patent #7146206.

A method and a system for detecting cardiac arrhythmias that includes detecting RR intervals of the patient wherein each RR interval is an interval between two heart beats, and simulating standard probability density histograms of .DELTA.RRs by means of a suitable probability distribution calculated through at least one mathematical formulae, wherein .DELTA.RR is a difference between two successive RR intervals. Test probability density histograms of .DELTA.RRs of the patient are constructed from the detected RR intervals. Finally, the standard and test histograms are compared to detect whether the patient suffers from cardiac arrhythmia. As non limiting examples, the standard probability density histograms of .DELTA.RRs are modeled by a mathematical equation selected from the group consisting of: the Lorentzian distribution, the Gaussian distribution, the Student's t-distribution, and a probability distribution including a linear combination of the Lorentzian and Gaussian distribution.

  Recently Added Patents
Passive translational velocity measurement from optical information
Semiconductor device and method for manufacturing the same
Method and system for advertisement using internet browser to insert advertisements
Isolated nucleic acid molecule encoding an antibody that reduces GDF-8 activity
Autonomous downlink code selection for femto cells
Conductive polymer and a solid electrolytic capacitor using the same as a solid electrolyte
  Randomly Featured Patents
Self locking nut for fuel assembly tie rods
Braking pressure control unit
Intermediates useful for the manufacture of carbapenem and a stereoselective manufacturing method therefor
Image forming apparatus
Loading/unloading control apparatus of semiconductor device and control method thereof
Method of manufacturing electric lift trucks
Surfactants and drying and drycleaning compositions which utilize said surfactants
Compliant tactile sensor
Tabletting spherical dental amalgam alloy
Sanding element