July 2010


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"K. Beach" <[log in to unmask]>
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UVM Flownet <[log in to unmask]>
Wed, 7 Jul 2010 23:06:35 -0700
TEXT/PLAIN (2085 bytes)

Dear Hank,

At the Universtiy of Washington Ultrasound Reading Center for CREST, I 
average 12 minutes per carotid examination, minimum 16 images and 

Scans come to me in electronic form, but from a variety of scanners.
This means that the placement of annotation is different for each 
I verify, and remeasure when necessary, a minimum of 64 cursor placements 
(PSV, EDV, EAV and Angle) on each examination, and verify the 
transcription of each of the measurements.  Then I verify stenosis 
classification using two classification methods (Strandness and "ratio")
If additional images are submitted, either because of a distal stenosis or 
a long stent, or because the sonographer has taken extra images, I sort 
these extra images and verify each as an alternative for the standard 
images previoulsy selected.  Occasionally an extra 20 images are provided.

Before I review the scans, each scan is pre-reviewed by Edward Stutzman 
RVT, checking all of the same data, and arranging the images that he has 
selected in order.

The 12 minute average is based on consistently reviewing 10 bilateral 
examinations while listening to a two hour Prairie Home Companion episode.

We have used this electronic review method on the most recent 4,900 
submitted examinations of the approximately 12,000 processed so far by the 


On Wed, 7 Jul 2010, Hank Arellano wrote:

> Flownetters,
> We have a vascular lab data base and our physicians are impatient with the time it takes to review and electronically sign off on a patient.  My question is how long does it
> take start to finish per patient to do the following: select, the patient, review the data and electronically sign off?  Our physicians want immediate gratification and this
> is not happening.  Thank you for your feedback.
> Hank Arellano
> Vascular Institute of the Rockies
> Denver, CO
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