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ECG Signal Processing

A diagnosis tool


Project staff
Dipl.-Ing. (FH) Christoph Mahringer

Project start

Project description
The electrocardiogram assess the electrical and muscular functions of the heart. It is measured via several electrodes places aound the patients' chest. These electrodes measure the electrical signals produced by the polarization of any active muscle. If only the heart muscle is active the electrodes measure a less distorted ECG signal. If any other muscle in a close proximity is active, e.g. the chest muscle, the measured ECG signal will be heavily distorted. The first part of the project is to remove these distortions and reveal the pure ECG signal. The next steps include among others the calculation of the heart-rate variability (HRV) and finding markers in the morphology of the ECG signal. Both parts help in producing an accurate diagnosis of the patient.


1) Struhal W., Mahringer C., Lahrmann H., Mörtl C., Buhl P., Huemer M., Ransmayr G.: "Heart Rate Spectra Confirm the Presence of Autonomic Dysfunction in Dementia Patients," in: Journal of Alzheimer's Disease, Volume 54, Number 2, Page(s) 657-667, 2016.