J Med Syst - Variable threshold method for ECG R-peak detection.

Tópicos

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Resumo

In this paper, a wearable belt-type ECG electrode worn around the chest by measuring the real-time ECG is produced in order to minimize the inconvenient in wearing. ECG signal is detected using a potential instrument system. The measured ECG signal is transmits via an ultra low power consumption wireless data communications unit to personal computer using Zigbee-compatible wireless sensor node. ECG signals carry a lot of clinical information for a cardiologist especially the R-peak detection in ECG. R-peak detection generally uses the threshold value which is fixed. There will be errors in peak detection when the baseline changes due to motion artifacts and signal size changes. Preprocessing process which includes differentiation process and Hilbert transform is used as signal preprocessing algorithm. Thereafter, variable threshold method is used to detect the R-peak which is more accurate and efficient than fixed threshold value method. R-peak detection using MIT-BIH databases and Long Term Real-Time ECG is performed in this research in order to evaluate the performance analysis.

Resumo Limpo

paper wearabl belttyp ecg electrod worn around chest measur realtim ecg produc order minim inconveni wear ecg signal detect use potenti instrument system measur ecg signal transmit via ultra low power consumpt wireless data communic unit person comput use zigbeecompat wireless sensor node ecg signal carri lot clinic inform cardiologist especi rpeak detect ecg rpeak detect general use threshold valu fix will error peak detect baselin chang due motion artifact signal size chang preprocess process includ differenti process hilbert transform use signal preprocess algorithm thereaft variabl threshold method use detect rpeak accur effici fix threshold valu method rpeak detect use mitbih databas long term realtim ecg perform research order evalu perform analysi

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