GE LOGIQ 7

OB Measurements and Calculations
LOGIQ 7 Basic User Manual 9-35
Direction 2392206-100 Rev. 1
Doppler Mode Measurements
You can use Doppler mode to study fetal blood flow in the heart,
umbilical cord, placenta, and middle cerebral arteries. OB/GYN
Doppler mode also allows you to study uterine and ovarian
blood flow.
The OB/GYN vessel study includes the following vessels:
• Aorta
• Desc. Aorta
• Middle Cerebral Artery (MCA) (right and left)
• Ovarian (right and left)
• Placenta
• Umbilical
• Uterine (right and left)
For each of these studies, you can make any of the following
measurements:
• Peak Systole (PS)
• End Diastole (ED)
• Minimum Diastole (MD)
• Heart Rate
• TAMAX
• Pulsatility Index (PI)
• Resistive Index (RI)
• PS/ED Ratio
• ED/PS Ratio
• Acceleration
• AT
• TAMEAN
• Volume Flow
• PV