- From the AcqKnowledge home screen select: Open a graph file, Graph file on Disk, and click OK
- This will allow you to access files directly from the U: Drive
- This will allow you to access files directly from the U: Drive
- Minimize all channels except Channels 5 & 9 that correspond to CNAP Blood Pressure & ECG respectively, by clicking on the triangle icon on the left hand slide of the channel number.
- Using the magnifying glass tool, zoom into a small region of the CNAP Blood Pressure channel.
- Using your cursor, click on the a small region in the waveform and drag. A blue selection box will appear, indicating that your are expanding/zooming into this specific region.
- Your goal is to expand the channel waveform so that all systoles are visible.
- Using your cursor, click on the a small region in the waveform and drag. A blue selection box will appear, indicating that your are expanding/zooming into this specific region.
- Go to Analysis →
Hemodynamics → and select "Arterial Blood Pressure" from the options menu - From the Arterial Blood Pressure preferences window enter the following settings & select OK:
- Note, recovery % can be set to any number. 50% is the preferred Acq setting however 70% will be used in this example
* Consider also running estimated cardiac output analysis as well*
- Highlight a single systole in the BP data and select "Systole Is Selected"
- Acq will now perform the Arterial BP Analysis and populate results onto an excel spread sheet and it will display QRS intervals on ECG channel, dp/dt waveforms, & recovery % set to 70% on CNAP waveform.
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