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ECG: Electrocardiogram

Electrocardiogram (ECG)

ECG, or electrocardiogram, is the graphical representation of the electrical activity of the heart. It can detect certain cardiovascular pathologies.

With each heartbeat, an electrical wave travels through your heart. This wave causes your heart to contract and pump blood.

What is a 6-Lead ECG?

An ECG lead is a direction along which one measures the voltage field created by the electrical activity of the heart. Thanks to the Withings Scan Monitor 2.0 technology, Withings Body Scan records 6 leads of the ECG, each of them being a representation of the electrical activity of the heart along one direction in the body. This is done by measuring leads II and III using a set of three electrodes (two located on the handle and one integrated into the glass of the scale) and computing the remaining leads: I, aVL, aVR, aVF.

Figure 1: Representation of the measuring sites (colored points) and ECG leads as measured (blue) and computed (green).

Figure 2: Representation of the ECG leads and their corresponding angles referred to the horizontal axis.

What do practitioners look for in the ECG graph?

A normal ECG graph will show the time sequence of the excitation and relaxation of different parts of your heart by the electric wave. There are 3 distinct patterns:

By measuring time intervals on an ECG, practitioners can find out if this electricity travel is too slow, normal, too fast, or even irregular. Such indicators can point to an oversized, overworked or dysfunctional heart.

Conditions Detected by Withings Scan Monitor 2.0

ECGs can detect a range of conditions, from angina pectoris (sometimes simply called angina) to severe heart attacks. Withings Scan Monitor 2.0 focuses on detecting atrial fibrillation. If you believe you are having a heart attack, please contact emergency services.

ECG Recording Results

There are various results you can get from an ECG recording:

Normal Sinus Rhythm

Atrial Fibrillation -

Inconclusive -

Noise - Inconclusive

If you have questions about your ECG recording, please talk to your doctor. If you encounter issues with your ECG recordings, click here.

Important: If you think you may be having a heart attack (myocardial infarction) or are facing a medical emergency, call emergency services.