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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