Carotid near-occlusion can be identified with ultrasound by low flow velocity distal to the stenosis.
Elias JohanssonHadas BenhabibWendy HerodJulia HopyanMatylda MachnowskaRobert MaggisanoRichard AvivAllan J FoxPublished in: Acta radiologica (Stockholm, Sweden : 1987) (2018)
In high PSV carotid stenoses, the distal velocity was lower in near-occlusions than conventional carotid stenosis. Distal velocities warrant further investigation in diagnostic studies.