How did you know if it was systole or diastole? Were you monitoring with EKG?
University of Washington
On 8/9/00, UVM Flownet wrote:
>From: Zwakenberg Terry >[mailto:[log in to unmask]]
>Sent: Wednesday, August 09, 2000 7:06 AM
>To: [log in to unmask]
>Subject: Re: interesting carotid
>Was the antegrade portion of flow in the ica >systolic or diastolic?
>Terry J Zwakenberg
>Providence Heart Institute
>School of Cardiovascular Diagnostics
>e-mail [log in to unmask]
><mailto:[log in to unmask]>
> -----Original Message-----
> From: Waters, MaryAnne >[SMTP:[log in to unmask]]
> Sent: Tuesday, August 08, 2000 4:45 PM
> To: [log in to unmask]
> Subject: interesting carotid
> I am looking for input on a carotid study >done in our lab today. 83
> female sent for carotid duplex for R carotid >bruit. Duplex of R
> reveals stenosis of just about 50% based on >velocity criteria.
> unremarkable. Duplex of L carotid reveals >occluded CCA. Flow in
> reveals a "to-fro" pattern similar to that >seen in a pre-steal
> ECA signal was low resistant-similar to ICA. >Several branches of
> sampled. All signals were similar, but >some were antegrade, some
> TCD was performed. R side WNL-no >abnormalities seen. L side-
> showed similar pattern seen in the >extracranial ICA. MCA flows were
> normal???? PCA WNL. ACA not seen.
> I have never seen such a signal in the ICA. >I would be interested
> and all thoughts on this one.
> MaryAnne Waters