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Were the ECA Doppler Spectra "internalized" (did they have a low resistance
shape like an ICA)?

On Tue, Jan 27, 2009 at 8:42 AM, Barb Lemon <[log in to unmask]> wrote:

> Thanks Steve,
> Normal left ICA, only slightly elevated right.  Normal vertebrals, normal
> subclavians, normal everything except elevated ECA's. bl
>
> Steve Knight wrote:
>
> My humble opinion:
> A hemodynamically significant stenosis (unless it's just a string sign)
> will have an elevation of velocities and associated post-stenotic
> turbulence.  Is that documented in the study?
> Since the ECA only supplies the brain if it has been recruited as a
> collateral pathway I would think that a prudent measure might  be to
> evaluate periorbital flow (using evocative compressions of the facial artery
> and its branches - resembles the Vulcan Mind Probe grip - do you remember
> Spock did this to an entity and determined that it was in extreme pain? -
> but I digress) and perhaps due a full TCD exam to evaluate intracranial
> collateralization.
>
> Steve
>
> On Mon, Jan 26, 2009 at 1:48 PM, Barb Lemon <[log in to unmask]>wrote:
>
>> Fellow Flownetters!
>> Has anyone read anything describing TIA or CVA from a high grade ECA
>> stenosis?  A physician has stated to me that you can get TIA's or CVA's from
>> an ECA with  high grade stenosis.   ( Right ICA peak 116, Left ICA peak 76
>> cm/sec)  Need some lit to support his claim.  I  wanted him to change his
>> report  from claiming  "critical ECA stenosis,  "  because most PCP's would
>> send that patient to a vascular surgeon based on that report.  Thanks in
>> advance for your help! Barb
>>
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>
>
>
> --
> Steve Knight BSc RVT RDCS
> Specialists In Ultrasound, Inc.
>
>
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-- 
Steve Knight BSc RVT RDCS
Specialists In Ultrasound, Inc.

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