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AUTOMATED PROCESS FOR ASSESSING CARDIAC FILLING PRESSURE NON-INVASIVELY

  • US 20140155764A1
  • Filed: 05/14/2012
  • Published: 06/05/2014
  • Est. Priority Date: 05/12/2011
  • Status: Abandoned Application
First Claim
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1. A method for automating a process for determining cardiac filling pressure non-invasively, comprising:

  • analyzing a photoplethysmography signal having a pulse amplitude, said analyzing being done to determine a point in time that the pulse amplitude of the photoplethysmography signal does not vary by a predetermined amount over a first predetermined time period;

    displaying a first instruction on a user interface to inform a user that a second instruction to initiate an expiratory effort will be displayed;

    displaying the second instruction on the user interface informing the user to begin an expiratory effort;

    comparing the expiratory effort of the user to a predetermined goal range for expiratory effort; and

    displaying an indicator of the user'"'"'s expiratory effort relative to the predetermined goal range on the user interface.

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