Chapter 10: Glossary 211
Glossary
Acronyms
Acronyms used in the user interface are listed below.
variance Displays a variation in Color Doppler flow imaging within a given
sample. Variance is mapped to the color green and is used to detect
turbulence
Table 1: Acronyms
Acronym Description
+/× “+” Caliper/”×” Caliper Ratio
A“A” Wave Peak Velocity
A4Cd Apical 4 Chamber diastolic
A4Cs Apical 4 Chamber systolic
A2Cd Apical 2 Chamber diastolic
A2Cs Apical 2 Chamber systolic
A PG “A” Wave Peak Pressure Gradient
abs Absolute value
AC Abdominal Circumference
ACC Acceleration Index
AFI Amniotic Fluid Index
Ao Aorta
AoD Aortic Root Diameter
ACS Aortic Valve Cusp Separation
APTD Anteroposterior Trunk Diameter
AT Acceleration (Deceleration) Time
AUA Average Ultrasound Age
AV Aortic Valve
AVA Aortic Valve Area
BPD Biparietal Diameter
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