User guide

Chapter 4: Measurements and Calculations 53
Measurements
Exam-based calculations
In addition to the general calculations, there are
calculations specific to the Cardiac, Gynecology
(Gyn), IMT, OB, Orbital, Small Parts, Transcranial
Doppler (TCD), and Vascular exam types.
Cardiac calculations
The following table shows the measurements
required to complete different cardiac calculations.
For definitions of acronyms, see “Glossary” on
page 167.
Cardiac Calculations
WARNING:
To avoid incorrect calculations,
verify that the patient information,
date, and time settings are
accurate.
WARNING:
To avoid misdiagnosis or harming
the patient outcome, start a new
patient information form before
starting a new patient exam and
performing calculations. Starting a
new patient information form
clears the previous patient’s data.
The previous patient’s data will be
combined with the current patient
if the form is not first cleared. See
“To create a new patient
information form” on page 36.
Transducer Exam Type
D2x Cardiac
P10x Cardiac
P21x Cardiac
TEEx Cardiac
Menu
Heading
Cardiac
Measurements
(Imaging
Mode)
Calculation
Results
LV…LVd RVW (2D)
RVD (2D)
IVS (2D)
LVD (2D)
LVPW (2D)
CO
EF
SV
LVESV
LVEDV
IVSFT
LVPWFT
LVDFS
CI
SI
…LVs RVW (2D)
RVD (2D)
IVS (2D)
LVD (2D)
LVPW (2D)
HR
a
needed for
CO & CI
Ao/LA Ao (2D or
MMode)
Ao
LA/Ao
AAo (2D) AAo
LA (2D or
MMode)
LA
LA/Ao
LVOT D (2D) LVOT D
LVOT area
ACS (M Mode) ACS
LVET (M Mode) LVET
MV EF:Slope
(M Mode)
EF SLOPE
EPSS (M Mode) EPSS