Ultrasonography, Doppler, Duplex

**Definition:** Ultrasonography applying the Doppler effect combined with real-time imaging. The real-time image is created by rapid movement of the ultrasound beam. A powerful advantage of this technique is the ability to estimate the velocity of flow from the Doppler shift frequency.

**Tree numbers:** - E01.370.350.850.850.850

**Synonyms:** - Duplex Doppler Ultrasonography - Duplex Ultrasonography, Doppler - Doppler Duplex Ultrasonography - Doppler Ultrasonography, Duplex - Ultrasonography, Duplex Doppler - Ultrasonography, Doppler Duplex