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Operations & Maintenance Manual: Glossary
0900‑5005 REV‑00
GLOSSARY
This table provides definitions for specialized terms used in this manual or on the product itself. For a full
list of caution, warning, and informational symbols used on this and other Verathon products, refer to the
Verathon Symbol Glossary at verathon.com/symbols.
TERM DEFINITION
A Ampere
A
APRT
Active aperture area
Ah Ampere hour
ALARA As low as reasonably achievable
Anatomical features Organs or structures of the body
Ascites A buildup of excess fluid in the peritoneal cavity of the abdomen
B‑mode
Display mode showing the target of a current or saved scan as an ultrasound
image.
C Celsius
C‑mode
Display mode showing the target of a current or saved scan as crosshairs over
an area of color.
cm Centimeter
DC Direct current
EDS Entrance dimensions of the scan
EHR Electronic Health Record
EMR Electronic Medical Record
EMC Electromagnetic compatibility
EMI Electromagnetic interference
Essential performance The system performance necessary to achieve freedom from unacceptable risk
ESD Electrostatic discharge
F Fahrenheit
f
awf
Acoustic working frequency (definition 3.4, IEC 62359:2010)
f
c
Center frequency
FDA Food and Drug Administration (federal agency in U.S.)
Fetal patient A fetus in the uterus of a pregnant patient
g Gram
GHz Gigahertz
hPa Hectopascal
Hz Hertz
IEC International Electrotechnical Commission
in Inch
kHz Kilohertz
I
sppa
Spatial‑peak, pulse‑average intensity
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