User guide

Chapter 8: Acoustic Output 121
Acoustic Output
•Comet tails
For more information on detecting and interpreting acoustic artifacts, see the following reference:
Kremkau, Frederick W.
Diagnostic Ultrasound: Principles and Instruments . 7th ed., W.B.
Saunders Company, (Oct. 17, 2005).
Guidelines for reducing MI and TI
The following are general guidelines for reducing MI or TI. If multiple parameters are given, the best
results may be achieved by minimizing these parameters simultaneously. In some modes changing
these parameters does not affect MI or TI. Changes to other parameters may also result in MI and
TI reductions. Please note the MI and TI values on the right side of the screen.
Table 1: MI
Transducer Depth
C11x 
C60x 
HFL38x 
HFL50x 
ICTx 
L25x 
L38x 
L38xi 
P10x 
P21x 
SLAx 
TEEx 
 Decrease or lower setting of parameter to reduce MI.
 Increase or raise setting of parameter to reduce MI.