Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Piezoelectric effect. A piezoelectric transducer generates a pulsed ultrasound beam that is launched into the soft tissues (a). Echo signals received by the probe are converted into a continuous radiofrequency signal analyzed by the receiver and displayed on the screen in different image modalities (B-Mode, color, and spectral Doppler) (b).
