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Just curious. If you have reflux that goes on and on, how do you document that? If it is obviously say >5 sec., do you just do a measurement on a single spectral image from the point of augmentation (say X amount of sec.) then report it as >5 sec. which obviously is abnormal. 
There is someone who used continuous as a criteria, because the IAC had issue with that documentation. It was apparent by the spectrum that the reflux exceeded the required time for clinically significant disease, but the criticism was the term continuous vs. an absolute time (obtained by calipers).
Thanks for your help with trying to get the correct terminology.
Paula
       From: Steven Knight <[log in to unmask]>
 To: [log in to unmask] 
 Sent: Thursday, January 15, 2015 2:23 PM
 Subject: Re: calipers to measure reflux time
   
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Sent: Thursday, January 15, 2015 2:17 PM
To: [log in to unmask]
Subject: calipers to measure reflux time       Received a response from IAC critical of our venous studies because we don’t use the electronic calipers to measure reflux time.  We don’t because the time scale is easily seen on the spectrum and the physician can use that as well as the sonographer can, because having to make this measurement on say 30 spectra collected on a bilateral LE reflux exam would add unnecessary sonographer time to the exam, and because we’re not even sure that the iU22 will measure time. I have never seen time measured using the electronic calipers on any duplex exam. Does anyone else do this? On what type of scanner? Thanks Joe    Joseph R. Schneider, M.D., Ph.D., F.A.C.S., R.V.T., R.P.V.I. Vascular Surgery and Interventional Radiology Partners/VSIR Cadence Physician Group          


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