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EN-60
ScanWatch
v1.0 | August, 2020
The gold standard ECG records 12 lead (or ways) of the heart. Withings ECG
devices sense the electrical activity of the heart at a distance through the left and
right arm. This configuration is known as lead D1.
What practitioners look for in the ECG graph?
A normal heartbeat on the ECG graph will show the time the electric wave takes
to move through your heart. There are 3 distinct patterns:
First wave: The “P wave”
The graph shows a first electric wave as electricity moves into the right and left
upper chambers of your heart.
Next wave: the “QRS Complex”
This second pattern shows electricity moving through the right and left bottom
ventricles.
Final wave: the “T wave”
The final wave represents electrical recovery or returns to a resting state for the
ventricles.
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