Incomplete partial subclavian steal syndrome

Case contributed by Dr Nikos Karapasias

Presentation

Episodes of vertigo and reported transient diplopia.

Patient Data

Age: 60 years
Gender: Female

Vertebral artery waveform of left vertebral-subclavian artery steal phenomenon: midsystolic flow is inverted. Right vertebral artery waveform is normal (flow from right to left / toward the brain).

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