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Automated signal detection

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The left requires you to add a “-” in the “seconds” box, followed by a number. Try something like -0.2 and under right edge, try 0.2. On the bottom of the window, you will see the selection range appear in blue. Make sure all peaks are included by the selection.

NEED TO REPLACE THIS IMAGE WITH AN ECG SIGNAL

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Go to the Output tab → Events. Check the “Output events” box. Here we tell the software to output new markers (Events) onto our ECG signal. Select “Maximum”, i.e. top of the peak. The top dropdown channel is where the software will look for signal peaks. The Output type is “Hemodynamics → qrs”, i.e. we want to output qrs markers. The “Output channel” is where the qrs markers will be placed. If this seems confusing, you can technically find peaks on the ECG channel and output markers onto a different channel. Under “Event 2” on the bottom, select “None”.

Click “Find “Find all cycles” cycles” on the bottom.

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The software will ask where you want to start looking for markers. Click “Set to origin”.

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The software now places qrs markers on the peaks on the peaks around each flag.

REPLACE IMAGE WITH ECG

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We now have to remove all flags. Right-click on any marker and click “Edit event”. In the new window, check the first two boxes. Select “Flag” under type and select the blood pressure ECG channel. Be careful here, this action cannot be undone. If you have flags saved in other channels, they will be removed if you don’t check the second box. In the “Events” window on the right, click “Clear” towards the bottom.

REPLACE IMAGE WITH CH9

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In the box that opens, select “are of type” and find “Flags” under “Notes”. If you want to make sure you do not accidentally remove flags in other channels, you can also check “are defined on” and find “CH9, ECG”.

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In the next box, the warning says “this action cannot be undone”. Click ok. The flags are now removed.

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