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
> a difference, but if you're looking at a stenosis of >70%, where do you
> the sample volume to? Vessel wall or flow jet? If it's aligned to the flow
> 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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