User's Manual

66 Exam-based calculations
To perform a Transcranial Doppler or Orbital
calculation
1 Selectthecorrectexamtype:
• Orbital (Orb)tomeasureOpthalmicArtery
andSiphon
• Transcranial (TCD)forothermeasurements
See“Tochangetheexamtype”onpage 31.
Transcranial and Orbital Calculations
Menu Heading
TCD and Orb
Measurements
Results
TT
MCA
TT
Dist
Mid
Prox
Bifur*
ACA
ACoA*
TICA
PCAp1
PCAp2
PCoA
TAP
PSV
EDV
PI
RI
S/D
Gate Size
TO OA
Siphon
TAP
PSV
EDV
PI
RI
S/D
Gate Size
SM ECICA TAP
PSV
EDV
PI
RI
S/D
Gate Size
FM VA TAP
PSV
EDV
PI
RI
S/D
Gate Size
FM
BA Prox
Mid
Dist
AL ECVA TAP
PSV
EDV
PI
RI
S/D
Gate Size
*Available but not required
WARNING:
To avoid injury to the patient, use
only an Orbital (Orb) or
Ophthalmic (Oph) 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.
Transcranial and Orbital Calculations
Menu Heading
TCD and Orb
Measurements
Results