Petra Künzel

Fraunhofer ENAS

Monitoring vital signs using acceleration sensors

The permanent and user-friendly monitoring of vital parameters is becoming more popular in the age of transportable, energy saving and small electronics with highly available data connections (such as smartphones) and sensors. The data collected in everyday life promises general diagnoses independent of laboratory environments. This article shows and discusses the use of integrated MEMS accelerometers for monitoring various vital signs such as heart rate and heart rate variability, respiratory rate and body movement. As a supplement to established redundant measurement methods such as ECG and respiratory sensors, acceleration sensors can also detect heart and lung sounds and general movements of the test subject, which can be combined in a comprehensive model for diagnosing various diseases.

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