GE Logiq P5 User Manual

OB Exam
LOGIQ 5 Basic User Manual 9-5
Direction 2300002-100 Rev. 2
To Start an Obstetrics Exam (continued)
NOTE:  To fill in the following information, move the Trackball to 
highlight the Detail button and press Set. Table 9-1: Obstetric fields
FieldDescription
LMP Last Menstrual Period; enter the date that the patient 
started her last menstrual period, in mm/dd/yyyy format. 
You must enter 4 digits for the year. When you type the 
month and day, the system fills in the /. 
BBT Basal Body Temperature....

OB/GYN
9-6 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
To Start an Obstetrics Exam (continued)
After you complete the patient information, you can begin the 
scan. 
1.  To change from the Patient Data Entry screen to the Scan 
screen, do one of the following:
•  On the keyboard, press Esc or Patient.
•  On the Touch Panel, select Scan.
•  On the Control Panel, press the B-Mode key.
The system displays the Scan screen.
2.  To choose the appropriate probe, select the probe icon on 
the Touch...

OB Exam
LOGIQ 5 Basic User Manual 9-7
Direction 2300002-100 Rev. 2
To choose a study
1.  To change the study, on the Touch Panel, select Study.
The Obstetrics exam category allows you to choose from 
the following studies:
• Generic
• OB-1
• OB-2/3
• OB-General
• Fetal Heart
• OB/GYN Vessel
2.  To select a study, press the study folder on the Touch Panel.
 Figure 9-2. OB Study Touch Panel
NOTE:  The folders you see on the Touch Panel may be different if your 
system has been customized.  

OB/GYN
9-8 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
OB Measurements and Calculations
Introduction
Measurements and calculations derived from ultrasound images 
are intended to supplement other clinical procedures available 
to the attending physician. The accuracy of measurements is not 
only determined by the system accuracy, but also by use of 
proper medical protocols by the user. When appropriate, be sure 
to note any protocols associated with a particular measurement 
or calculation....

OB Measurements and Calculations
LOGIQ 5 Basic User Manual 9-9
Direction 2300002-100 Rev. 2
Introduction (continued)
When you make measurements, you can select the calculation 
before you make the measurement or after you make it. If you 
select the calculation before you make the measurement, the 
Results Window shows the estimated fetal age as you make the 
measurement. If you select the calculation after you make the 
measurement, the estimated fetal age is displayed after you 
complete the...

OB/GYN
9-10 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
B-Mode Measurements
This section describes all B-Mode measurements that you 
typically find in OB studies.
Abdominal Circumference (AC)
To calculate abdominal circumference, you make an ellipse, 
trace, or two distance measurements.
Ellipse1. Select AC; an active caliper displays.
2.  If necessary, select AC until Ellipse is displayed above the 
key.
3.  To position the active caliper, move the Trackball.
4.  To fix the start point, press...

OB Measurements and Calculations
LOGIQ 5 Basic User Manual 9-11
Direction 2300002-100 Rev. 2
Abdominal Circumference (AC) (continued)
Trace1. Select AC; an active caliper displays.
2.  If necessary, select AC until Trace is displayed above the 
key.
3.  To position the trace caliper, move the Trackball.
4.  To fix the trace start point, press Set.
The trace caliper changes to an active caliper.
5.  To trace the measurement area, move the Trackball around 
the anatomy.
6.  To complete the measurement,...

OB/GYN
9-12 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
Abdominal Circumference (AC) (continued)
Two distances1. Select AC; an active caliper displays.
2.  If necessary, select AC until Trace is displayed above the 
key.
3.  To make the first distance measurement:
a.  To position the active caliper at the start point, move the 
Trackball.
b.  To fix the start point, press Set.
The system fixes the first caliper and displays a second 
active caliper.
c.  To position the second active caliper at...

OB Measurements and Calculations
LOGIQ 5 Basic User Manual 9-13
Direction 2300002-100 Rev. 2
A/B Ratio
In B-Mode you can calculate A/B ratio by diameter or by area.
DiameterTo calculate A/B ratio by diameter:
1. Select A/B Ratio. 
2. Select ratio(Diam). 
The system displays an active caliper.
3.  Make a distance measurement of the first velocity.
a.  To position the active caliper at the start point, move the 
Trackball.
b.  To fix the start point, press Set.
The system fixes the first caliper and...

OB/GYN
9-14 LOGIQ 5 Basic User Manual
Direction 2300002-100 Rev. 2
A/B Ratio (continued)
AreaTo calculate A/B ratio by area:
1. Select A/B Ratio. 
2. Select ratio(Area). 
The system displays a trace caliper.
3.  Make a trace measurement of the A velocity:
a.  To position the trace caliper at the start point, move the 
Trackball.
b.  To fix the trace start point, press Set.
The trace caliper changes to an active caliper.
c.  To trace the measurement area, move the Trackball.
A dotted line shows the traced...