1. Color Doppler. Color Doppler measures the frequency shift and displays it as color over the gray scale image. Note the color scale to the left of the ultrasound image. The blue color at the top of the scale indicates that flow toward the transducer is labeled blue. (Courtesy of GE Medical)
Source: Chapter 2. Equipment, Ma and Mateer's Emergency Ultrasound, 3e
Citation: Ma O, Mateer JR, Reardon RF, Joing SA. Ma and Mateer's Emergency Ultrasound, 3e; 2014 Available at: Accessed: October 04, 2017
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