Table 1.
Ultrasound scanner | Mechanical Index (MI) | Frequency | Frame rate | Depth | Focus | |
---|---|---|---|---|---|---|
Sonazoid | SonoVue | |||||
GE LOGIQ E9 | 0.15–0.31 | 0.06–0.2 | (Gen), (Res) or adjust according to patient | 9–11 Hz | Adjust according to lesion depth |
Place focus at the bottom of the lesion, and ideally at the bottom of the field of view |
Philips iU22 | 0.18–0.19 | 0.06–0.07 |
Gen/Pen/Res/HRes/CGen/CRes/CPen (Or patient dependent) |
9–10 Hz | ||
Toshiba Aplio 500 | 0.15–0.18 | 0.07–0.08 | 3.0 h, 3.5 h | 5 Hz |
Due to the lack of standardization in calculating MI, the scanners have different optimal MI settings