If everything is working correctly, you should see a nice box pop up and start displaying the output
signal.
“Normal” heart rate of an SFE engineer
If your subject decides to remove the sensors, the leads off detection will kick in and display a flat
blue line.
“Flight, we just lost Lovell!”
Tips and Tricks
ECG’s are notoriously noisy. This is because you are measuring muscle activation. The further
sensor pads are from the heart, the more muscle noise you will see. These are commonly referred
to as “Motion Artifacts”. So here are some simple tips to improve the signal quality.
Keep sensor pads as close to the heart as you can.
Make sure the RA and LA sensor pads are on correct sides of the heart.
Try not to move too much while taking a measurement.
Try to use fresh pads for each measurement. The pads loose the ability to pass signals with
multiple applications.
Prep and clean the area you plan to stick pads. This will help make a good connection (hair is
not a good conductor).
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