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Values of the ARFI data acquisition parameters for the transabdominal (TA) and intracavitary (IC) approaches. IQR= interquartile range. PRF= pulse repetition frequency.
| Parameter | TA | IC |
|---|---|---|
| Probe | 9L4 | Prototype Catheter |
| Push freq. (MHz) | 4.0 | 6.15 |
| Track freq. (MHz) | 6.2 | 7.27 |
| Push cycles | 800 | 800 |
| Push duration (μs) | 129 | 110 |
| Track PRF (kHz) | 10 | 10 |
| Push f-number | 1.5 | 1.0 |
| Track f-number | 2.0 | 1.5 |
| Push focal depth (cm) | ||
| median | 3.1 | 0.9 |
| IQR | 2.7-3.6 | 0.6-1.2 |
