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Our lab does ABI and exercise (ABI without exercise isn't quite enough on its own; you need to challenge as well, to bring out a pressure drop in borderline disease states.) If those are normal, we're through. If not, we scan. And we do an appalling number of normal studies nowadays, for docs who apparently can't be bothered to palpate a pulse. Given that kind of neglect, I'm grateful we have this protocol or we'd be even more burned out.

I picked up this very sensible protocol from Miles Cramer when I visited the U.W. lab many, many, many years ago, so the provenance is stirling.


Don Ridgway
Grossmont Hospital
Grossmont College


 




-----Original Message-----
From: UVM Flownet on behalf of Laura Sikkenga
Sent: Wed 10/12/2005 9:38 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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