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Why do Linkura use ECG?

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What is ECG?
ECG is the same technique used in healthcare for diagnosis and monitoring. Linkura measures the same signal but using a strap, adapted for longer measurements in everyday life. ECG provides a very precise detection of when the heart beats, which is needed to measure stress.

ECG is also a stable and safe method. Linkura’s ECG devices are CE marked but not for diagnostic use. In Linkura’s products we never make a medical diagnosis.

Can’t you measure on the wrist instead of the chest?
Continuous ECG cannot be measured on the wrist because it requires two measurement points, one on each side of the heart. There are solutions for short measurements where you put the finger of the other hand on a watch, for example. Most commercial solutions for continuous measurement of cardiac activity in everyday life rely on optical measurement. This method is blunt and sensitive to interference.

A stress measurement based on optical measurement does not provide the stability and certainty in stress measurement that we require. Our research has shown that ECG is the best method for our application.

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