17
Table of Contents
PW Spectral Doppler Mode .........................................................................................................................................4-22
CW Spectral Doppler Mode ........................................................................................................................................4-28
TDI Mode .............................................................................................................................................................................4-30
TDW Mode .........................................................................................................................................................................4-31
Combined Mode ......................................................................................................................4-33
2D/C/PW Mode .................................................................................................................................................................4-33
2D/PD/PW Mode ..............................................................................................................................................................4-33
2D/C/CW Mode ................................................................................................................................................................. 4-33
2D/PD/CW Mode .............................................................................................................................................................. 4-33
2D/C/M Mode ...................................................................................................................................................................4-34
2D/C Live Mode ................................................................................................................................................................4-34
Dual Mode ................................................................................................................................. 4-35
3D/4D Mode .............................................................................................................................. 4-36
3D Stand by ........................................................................................................................................................................4-37
3D View-MPR ......................................................................................................................................................................4-40
3D XI ......................................................................................................................................................................................4-56
Chapter 5 Measurements and Calculations
Measurement Accuracy ............................................................................................................ 5-3
Causes of Measurement Errors .....................................................................................................................................5-3
Optimization of Measurement Accuracy .................................................................................................................. 5-5
Measurement Accuracy Table ....................................................................................................................................... 5-7
Basic Measurements ................................................................................................................. 5-8
Distance Measurement ..................................................................................................................................................5-11
Measurement of Circumference and Area .............................................................................................................5-16
Volume Measurement ....................................................................................................................................................5-18
Calculations by Application ..................................................................................................5-21
Things to note .................................................................................................................................................................5-21
Common Measurement Methods ............................................................................................................................5-25
OB Calculations .................................................................................................................................................................5-30
Gynecology Calculations .............................................................................................................................................5-40
Cardiac Calculations ........................................................................................................................................................ 5-43
Carotid Calculations ........................................................................................................................................................5-61
LE Artery Calculations ....................................................................................................................................................5-67
UE Artery Calculations ...................................................................................................................................................5-69
LE Vein Calculation .........................................................................................................................................................5-71