ENHANCING OPTICAL CARDIAC ACTIVITY MEASUREMENT

ENHANCING OPTICAL CARDIAC ACTIVITY MEASUREMENT

There is provided a wearable device for measuring cardiac activity of a user, the wearable device comprising: an optical cardiac activity sensor unit configured to be placed in contact with a measurement area and to enable cardiac activity measurement of the user to obtain a cardiac activity signal;...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ORAVA, Matti, RYTKY, Pekka, HARTIKAINEN, Tuomas, LUMME, Lauri, KORKALA, Seppo, RAHJA, Mika, KOMULAINEN, Olli, PEKONEN, Elias
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:There is provided a wearable device for measuring cardiac activity of a user, the wearable device comprising: an optical cardiac activity sensor unit configured to be placed in contact with a measurement area and to enable cardiac activity measurement of the user to obtain a cardiac activity signal; a plurality of electrodes configured to enable bioimpedance measurement on the measurement area to obtain a bioimpedance signal; a detector unit for detecting changes in the bioimpedance signal; and a reducer unit for reducing a motion artefact effect on the cardiac activity signal based on the detected changes in the bioimpedance signal.