B-Flow

B-Flow is a type of ultrasound imaging that allows visualization of blood flow by selectively enhancing the signal from moving blood cells while simultaneously suppressing tissue signal ¹. Unlike color Doppler, it does not show flow direction or amplitude.

B-flow is used clinically to image the anatomy of a blood vessel or the overall vasculature of a region. Similar to color Doppler, it helps select a particular vessel for quatitative spectral Doppler analysis. A B-flow flashlight sign has been described recently, which can aid detection of floating and wall adherent arterial thrombi and emboli.