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Measurements and calculations
5-49
Transcranial Doppler and Orbital calculations
The following table shows the measurements available for Transcranial Doppler (TCD) and Orbital (Orb)
calculations.
WARNINGS
To avoid injury to the patient, use only an Orbital (Orb) or Opthalmic (Oph)
exam type when performing imaging through the eye. The FDA has
established lower acoustic energy limits for opthalmic use. The system will not
exceed these limits only if the Orbital or Ophthalmic exam type is selected.
Verify that the patient information, date, and time settings are accurate.
To avoid misdiagnosis or harming the patient outcome, start a new patient
form before starting a new patient exam and performing calculations. Starting
a new patient 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.
Note
The system will display ratios of the following velocity measurements:
MCA Prox / ECICA
TICA / ECICA
Siphon / ECICA
Table 5-8: Transcranial Doppler and Orbital calculations and results
Calculation list
Measurements
Results
Right Transtemporal
MCA Dist
MCA Mid
MCA Prox
Bifur
ACA
ACoA
TICA
PCAp1
PCAp2
PCoA
Gate depth
Velocity*
PSV
EDV
MDV
PI
RI
S/D
*The velocity measurement is labeled either TAM for a manual trace or TAP for an automatic trace .
Содержание SONOSITE X-PORTE
Страница 1: ...USER GUIDE ...
Страница 75: ...Setting up the system 3 39 ...
Страница 76: ...3 40 Setting up the system ...
Страница 128: ...4 52 Imaging ...
Страница 186: ...5 58 Measurements and calculations ...
Страница 210: ...6 24 Measurement references ...
Страница 234: ...8 16 Cleaning and disinfecting ...
Страница 262: ...9 28 Safety ...
Страница 334: ...10 72 Acoustic output ...
Страница 364: ...B 14 Index printing 5 56 zoom 4 23 ...
Страница 365: ......
Страница 366: ...P14645 05 P14645 05 ...