GE Vscan Extend User Manual page 216

Appendix
Table 7-1:
IEC FDA
7-4
Definitions, symbols and abbreviations (Continued)
Meaning—IEC 60601-2-37 / FDA & NEMA UD2, UD3
Bounded Output Power / Power emitted from the central 1cm of aperture
Pulse Pressure Squared Integral / Pulse intensity integral
Peak-Rarefactional Acoustic Pressure / (same)
Attenuated Peak-Rarefactional Acoustic Pressure / (same)
Pulse Repetition Rate / Pulse repetition frequency
Thermal Index / (same)
Bone Thermal Index / (same)
Cranial-Bone Thermal Index / (same)
Soft-Tissue Thermal Index / (same)
Pulse Duration / (same)
-12 dB Output Beam Dimensions / (same)
Distance from the Source to a Specified Point / (same)
Depth for TIB / Depth at which the relevant index is maximum
Break-Point Depth / (same)
Depth for TIS / Depth at which the relevant index is maximum
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