The Ultrasound That Measures Arterial Blood Flow

This page is the CodyCross answer for the clue below from Performing Arts, Group 900, Puzzle 3 (Rose Bouquets).

Question is: The Ultrasound That Measures Arterial Blood Flow

and the answer is: DOPPLER

Word Meaning:

DOPPLER — (medicine, by ellipsis, informal) Ellipsis of Doppler ultrasonography: Any of various types of ultrasonography that use the Doppler effect; especially, medical versions thereof.

Definitions from Wiktionary.