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. Author manuscript; available in PMC: 2019 Mar 15.
Published in final edited form as: J Am Soc Echocardiogr. 2015 Mar 11;28(6):718–26.e2. doi: 10.1016/j.echo.2015.02.002

Figure 7.

Figure 7

Amplitude-frequency histograms for Definity (red) and Sonazoid (blue) obtained during ultrasound imaging at 1.8 MHz illustrating greater degree of broad-band signal (inertial cavitation) for Definity at MI 0.2 and greater. Harmonic peaks, illustrating stable cavitation, are seen for both agents at all powers.