Ok, I won't make any comments about your physician undervaluing basic vascular understanding and using appropriate medical terminology.
You can always default to " partial retrograde waveform" is seen in the vertbral artery. 
But the reality is a gallstone is a gallstone and a pre-steal waveform is a pre-steal waveform.

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  On Thu, Nov 1, 2018 at 10:04 PM, Mo<[log in to unmask]> wrote:   How do you describe a pre-steal "bunny ear" vertebral waveform? Our physician doesn't approve of us using pre-steal to describe the waveform. She describes that term as being a diagnoses on preliminary reports.

Is there a better descriptor for the waveform other than pre-steal?

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