GE Logiq P5 User Manual

Vascular Measurements
LOGIQ 5 Basic User Manual 11-21
Direction 2300002-100 Rev. 2
Auto Vascular Calculation
Activating Auto
Va s c u l a r
CalculationTo activate Auto Vascular Calculation, select the Auto Calc 
Touch Panel key to select Live (calculations displayed on the 
real-time image), or Freeze (calculations displayed on the frozen 
image).
To deactivate Auto Vascular calculation, select Off.
 Figure 11-7. Auto Calculation Touch Panel key
Setting up Auto
Va s c u l a r
Calculation
Parameters•...

Vascular
11-22 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
Auto Vascular Calculation (continued)
Auto Vascular
Calculation Exam1. Preset the system.
2.  Perform the scan and press Freeze.
3.  Activate Auto Vascular Calculation.
The system performs a calculation automatically as shown 
in Figure 11-8.
 Figure 11-8. Auto Vascular Calculation 

Vascular Measurements
LOGIQ 5 Basic User Manual 11-23
Direction 2300002-100 Rev. 2Auto Vascular
Calculation Exam
(continued)The Auto Vascular calculation is assigned to particular vessel 
measurements.
1. Press Measure to display the Measurement menu.
2.  Select the location of the vessel (Prox, Mid, or Dist) and 
Side (Right or Left).
3.  Select the desired vessel name from the Touch Panel. 
Selected vessel measurements are automatically assigned 
with the Auto Vascular calculation. The results are then...

Vascular
11-24 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
Auto Vascular Calculation (continued)
During the course of an exam, the cardiac cycle may be 
indicated between two yellow bars; the peak trace and the mean 
trace may appear in green; calculation indicators appear on the 
spectral trace as a caliper identifier (these vary, depending on 
the selected calculation in the Results Window). 
The right-most, most complete cycle is typically chosen to be the 
selected cardiac cycle. You can...

Vascular Measurements
LOGIQ 5 Basic User Manual 11-25
Direction 2300002-100 Rev. 2
Manual Vascular Calculation
You can perform the following calculations manually when Auto 
Doppler Calculation is not activated.
1. Press Measure.
If necessary, you can select another Exam Calc and then 
select parameters from Modify Calculation.
2.  Select the location of the vessel (Prox, Mid, or Dist) and 
Side (Right or Left).
3.  Select the desired vessel folder.
The Measurement menu is displayed.
 Figure 11-10....

Vascular
11-26 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
Acceleration
1. Select Accel. 
The system displays an active caliper with vertical and 
horizontal dotted lines.
2.  To position the caliper at peak systole, move the Trackball.
3.  To fix the measure point, press Set.
The system displays a second active caliper.
4.  To position the second caliper at end diastole, move the 
Trackball.
5.  To complete the measurement, press Set.
The system displays the peak systole, end diastole,...

Vascular Measurements
LOGIQ 5 Basic User Manual 11-27
Direction 2300002-100 Rev. 2
End Diastole (ED), Mid Diastole (MD) or Peak Systole (PS),
To calculate the end diastole, mid diastole or peak systole:
1. Select ED, MD or PS. 
The system displays an active caliper with vertical and 
horizontal dotted lines.
2.  To position the caliper at the measurement point, move the 
Trackball.
3.  To complete the measurement, press Set.
The system displays the end diastole, mid diastole or peak 
systole in the...

Vascular
11-28 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
Heart Rate
To calculate the heart rate:
1. Select Heart Rate. 
The system displays an active caliper and a vertical dotted 
line. 
2.  To position the caliper at a recognizable point in the first 
cycle, move the Trackball.
3.  To fix the first caliper, press Set.
The system displays a second active caliper.
4.  To position the caliper at the identical point in the second or 
third cycle, move the Trackball.
 Figure 11-11. Two Heart...

Vascular Measurements
LOGIQ 5 Basic User Manual 11-29
Direction 2300002-100 Rev. 2
Pulsatility Index (PI)
To perform a Manual Trace:
1. Select PI. 
The system displays a trace caliper and a vertical dotted 
line.
2.  To position the caliper at the beginning of the waveform 
(PS), move the Trackball.
3.  To fix the start point, press Set.
The system displays a second active caliper.
4.  To trace the waveform from PS to ED, move the Trackball.
5.  To complete the measurement, press Set.
The system displays...

Vascular
11-30 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
TA M A X
To perform a Manual Trace:
1. Select RI. 
The system displays an active caliper with vertical and 
horizontal dotted lines.
2.  To position the caliper at the peak systolic velocity, move the 
Trackball.
3.  To fix the measure point, press Set.
The system displays a second active caliper.
4.  To position the second caliper at the end diastolic velocity, 
move the Trackball.
5.  To complete the measurement, press Set.
The...