Bill Johnson, Yakima WA.




I thank you for posting your question.  And, while the answers posted vary on some of the finer points, I believe you can see there is a consensus, as well as room for discussion.  There are dozens of reasons none of the tests or protocols we use are “definitive in every instance”, and the advice you received regarding correlating your findings with the clinical picture is probably the best advice you could ever get, especially from the motley crew that responded.


The interest from cardiology circles is that more and more studies are showing the usefulness of ABIs as a marker for cardiovascular disease, and the fact that interventionalists have found a new “territory” to mine in peripheral stenting.


I encourage you to continue to ask questions.  And I hope you realize the multiple digressions in the responses are not a result of gel exposure or years of Doppler noises. 


I am going now, to find out if I can get my fries in a bowl.


Thanks for your curiosity.


-----Original Message-----
From: UVM Flownet [mailto:[log in to unmask]] On Behalf Of Laura Sikkenga
Sent: Wednesday, October 12, 2005 9:39 PM
To: [log in to unmask]
Subject: ABI questions from curious student


Hello, I am a vascular ultrasound student. Our class is having a discussion about ABIs and segmental waveforms/pressures. We understand that many labs start with just ABIs and stop if they are normal. If they are abnormal, they will continue on to complete segmental waveforms and pressures.

I am wondering what the consensus is among professionals, about these questions: Is there an advantage, for the patient (or the lab,) to perform the segmental pressures if the ABIs are normal? Or, what is the rationale/justification for only using ABIs when they are normal? Are normal ABIs going to be definitive in every instance?

Thank you for your consideration,

Laura Sikkenga
Jackson Community College
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