Famous Bilateral Antegrade Vertebral Artery Flow 2022. Flow is always antegrade in right vertebral artery (long arrow). Postoperatively a new directional doppler ultrasound examination then showed bilateral normal (= antegrade) vertebral artery blood flow.
Antegrade vertebral artery flow is normal in the general population. That is good news, that is what you want. * “patent” = “the opposite of blocked” * * unblocked is good!
