Bunny waveform sign

Case contributed by Dr Gustavo Graco

Presentation

Carotid bruit upon auscultation.

Patient Data

Age: 70 years
Gender: Female
Ultrasound

Right vertebral artery exhibits cranial flow, however partial inversion in its flow is observed, characterized by spectral notch / mesosystolic deceleration.

In the last image, we observe the normal flow of the vertebral vein.

Case Discussion

Right vertebral artery exhibits cranial flow, however partial inversion in its flow is observed, characterized by spectral notch / mesosystolic deceleration. This change corresponds to an early finding concerning ipsilateral subclavian artery steal syndrome.

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Case information

rID: 71946
Published: 1st Nov 2019
Last edited: 7th Nov 2019
Inclusion in quiz mode: Included
Institution: Liga Norteriograndense Contra o Câncer

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