GE Medical Systems 500, User Manual, Page: 337 / 636

Additional Cardiac Calculations
LOGIQ 500 Basic Users Manual
2276612–100 Rev. 0
10–25

ET (Ejection Time)
Ejection time for the left ventricle is the time during which the
aortic valve is open. It is measured on a Doppler Spectrum
display. The time between the two cursors is ejection time (ET).
Figure 10–28. Ejection Time for Aortic Valve
Select ET from the Calculation Sub-Menu. Perform a time
interval measurement as described on
7–18 . Set the first
cursor at the opening of the aortic valve and the second at the
closing of the aortic valve.
MVA Mean PG LV
Report
PHT ET Max PG TRACE
AUTO
Figure 10–29. Cardiac Calculation Sub-Menu