Mindray Resona I9W - Smart Fetal HR (Heart Rate); Smart VTI

Image Optimization 5-147
VOI Thickness
Rotate the knob under [VOI Thickness] to adjust the thickness of VOI.
Measurement Parameter
Tap [Meas Parm.] to set the automatic measurement items for Rest, Valsalva, and Contraction
frame.
Orientation Refresh
Tap [Refresh Ori], and the system adjusts the current image automatically to display the minimum
levator ani muscle gap slice.
For other parameter adjustments, refer to section “5.11 3D/4D” for details.
5.21 Smart Fetal HR (Heart Rate)
Description
This feature is available only under Fetal Echo (High Flow), OB1 Fetal Echo,
Fetal Echo (Low Flow) exam modes.
Note
During image acquisition, the user is recommended to stably hold the ultrasound probe
to acquire fetal heart ultrasound video. If the Smart Fetal HR measurement is not
satisfactory (e.g., the heart rate cycles are not marked accurately on the M-mode
image), the user can manually modify the sampling lines of heart rate cycles on the M-
mode image or change the number of heart rate cycles. The fetal heart rate
measurement result will be updated simultaneously.
This feature is to measure the fetal heart rate automatically on M mode.
Smart Fetal HR is an option.
Basic procedures:
1. Perform B-mode scanning under Fetal Echo (High Flow), OB1 Fetal Echo, Fetal Echo (Low Flow)
exam mode.
2. Tap [Smart FHR], and the button is highlighted.
3. Press <M> on the control panel, and the system acquires M-mode image automatically. The M
mode image and the sampling line are displayed on the screen.
If necessary, tap [Smart FHR Cycle] to set the number of heart rate cycle.
4. Press [Freeze] on the control panel. The heart rate cycles are marked on the M-mode image. And
the fetal heart rate measurement result is displayed on the screen.
If necessary, tap [Smart FHR Cycle] to set the number of heart rate cycle, and the measurement
result is updated simultaneously.
5.22 Smart VTI
Smart VTI (Velocity-Time Integral) is used to calculate the CO (cardiac output) of the LVOT (left
ventricular output tract), so as to quickly evaluate the cardiac function.
NOTE: 1. The cardiac package should be configured in advance.
2. Smart VTI is an option.