LBL-2019-41-v4 OptoMonitor 3 IFU wTAVI_en Rev 2022-03
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7.7
Performing a dPR Procedure
Advance OptoWire™ pressure sensor distal to the stenosis per recognized FFR procedures.
7.7.1
dPR Calculation
1-
Make sure the interface is set to FFR and is not TAVI/TAVR. This can be changed in the settings
menu or upon connection of an OptoWire™.
2-
From the MAIN screen, press the “dPR” button to trigger a dPR recording.
3-
You can track the progress of the dPR recording by a progress bar located in the bottom portion
of the information bar. NOTE: Progress bar will change color according to your settings.
4-
The OptoMonitor 3 will automatically switch to playback mode when the recording is complete.
See section 7.12.2 for more details on dPR playback screen.
5-
To make another recording, press the live button from the playback screen and restart the process
from the beginning of 7.11.1.
7.7.2
Performing a dPR Pullback
1-
From the MAIN screen, press the “dPR Pullback” button to initiate a dPR pullback recording.
2-
The OptoMonitor 3 requires approx. 2 seconds after pressing the dPR pullback button before
pullback recording is ready. Wait until the live dPR curve (default purple) begins tracing at a value
above “0” before performing the pullback. During the pullback recording, current dPR value will
be displayed in the bottom of the data window.