Table 2.

Acoustic parameters used (PNP 2.7MPa) in the study of inter-pulse periods (upper panel) and the study of pulse-train US exposure (lower panel).

Pulse Duration (µs)	Inter-Pulse Period (ms)	PRF While ‘On’ (Hz)	Total acoustic Exposure (ms)
18 (20 cycles)	72	13.9	22.5
100 (110 cycles)	400	2.5	22.5
200 (220 cycles)	800	1.25	22.5
500 (550 cycles)	2000	0.5	22.5
1000 (1100 cycles)	4000	0.25	22.5

Gated Pulsing ‘On’ Time (s)	Gated Pulsing ‘Off’ Time (s)	Pulse Duration(µs)	Inter-Pulse Period (ms)	PRF While ‘On’ (Hz)	Total acoustic Exposure (ms)
continuous	0	18	72	13.9	22.5
1	2	18	72	13.9	7.5
2	2	18	72	13.9	11.2
2	3	18	72	13.9	9
3	2	18	72	13.9	13.5
continuous	0	18	18	55.6	90
1	2	18	18	55.6	30
2	2	18	18	55.6	45
2	3	18	18	55.6	36
3	2	18	18	55.6	54