The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.
You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).
(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 5B. 54-year-old woman with asymptomatic left subclavian stenosis
and presteal waveforms in vertebral artery. Drawing shows contour of spectral
tracing in presteal states that has been fancifully compared to rabbit in
profile. Making this imaginative leap facilitates recognition of otherwise
complex waveform pattern.