Subclavian Steal Syndrome: Diagnosis with Perfusion Metrics from Contrast-enhanced MR Angiographic Bolus-timing Examination—Initial Experience

Abstract

A bolus-timing examination performed with a test bolus of the gadolinium-based contrast agent via the neck vessels that demonstrates at least a 2-second delay in peak contrast enhancement in the right or left vertebral arteries may, in the appropriate clinical setting, indicate subclavian steal syndrome.