From: UVM Flownet [[log in to unmask]] On Behalf Of Jason Roberts DHSc, RVT [[log in to unmask]]
Sent: Thursday, October 18, 2012 1:50 PM
To: [log in to unmask]

This program is still around correct?

Jason Roberts DHSc, RVT
[log in to unmask]

From: "Bill Johnson" <[log in to unmask]>
To: [log in to unmask]
Sent: Thursday, October 18, 2012 1:45:43 PM
Subject: Re: CCA criteria

BJ, Port Townsend, Wa

First, Bill Schroedter, I must submit that we see and hear physiology,
anatomy as well but I would suggest physiology is prehaps more
important than anatomy.  Both are important, but one cannot be
understood without the other.

Joshua, I agree that greater standardization is needed, but that is
incumbent on us!  For you I would suggest we "hear" in four dimensions
if we only listen.  MRI and CT asert they look in three dimensions.
But they do not listen.  I keep hearing how 4D is better than 3D.  I
agree and continue to listen.

On 10/18/12, Joshua Waks <[log in to unmask]> wrote:
> High quality duplex scanning is exceedingly important; however, there's too
> many variables and controversy.  Intra-observer variability will always
> create
> a difference, but if you're looking at a stenosis of >70%, where do you
> align
> the sample volume to?  Vessel wall or flow jet?  If it's aligned to the flow
> jet,
> the transducer being at a slightly different approach, the tech will view a
> slightly different jet, and get a different velocity, because we're viewing
> a 3-
> dimensional object in 2 dimensions.  GREATER STANDARDIZATION IS NEEDED.
> I know this, and I just graduated from my Vascular Tech program!
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