Patent ID: 11944424
Assignee: DUKE UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC A  G | IPC A  G

Claim 29:
30. The computer system of claim 29, wherein the at least one processor is further configured to fit the filtered parameter plots to a sinusoid with phase offset:, 1
    2
   
   ⁢
   
    A
    
     pk
     -
     pk
    
   
   ⁢
     
   
    sin
    ⁡
    (
    
     
      2
      ⁢
      π
      ⁢
      
       f
       c
      
      ⁢
      t
     
     +
     φ
    
    )
   
  
  ,
 

where Apk-pk is the peak-to-peak amplitude, fc the cardiac frequency, t is time in seconds, and pp is a phase off-set, and where fc is cardiac frequency that is derived from the subject's RBC amplitude oscillations.