What Is Antegrade Flow Mean?

Antegrade: Forward-moving. As in blood flow.

Is antegrade blood flow normal?

Postoperatively a new Directional Doppler ultrasound examination then showed bilateral normal (= antegrade) vertebral artery blood flow. The used non-invasive technique is shown to have high reliability and may be used to screen patients suspected of having subclavian steal pre-angiographically and preoperatively.

Should vertebral arteries have antegrade flow?

A, Diagram shows significant stenosis of left subclavian artery proximal to origin of left vertebral artery. Flow in left vertebral artery (short arrows) varies between ante- grade and retrograde. Flow is always antegrade in right vertebral artery (long arrow).