Real time algorithm for the portable recording of fetal and maternal heart rates

Firoz Ahmed, M. Alauddin Mohd Ali, Edmond Zahedi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A PIC17C44 microcontroller development board and a real-time algorithm were developed with the capability of monitoring the fetal heart rate (FHR) as well as recording both the FHR and maternal heart rate (MHR) for 24 hours. This paper describes the implementation of the real-time algorithm by using the development board which is used to develop the portable recorder. The signal processing algorithm processes the abdominal electrocardiogram (AECG) signal which is sensed via a single pair of electrodes and continuously detect both the fetal and maternal QRS complexes for the measurement of the heart rates. The algorithm detects the MECG complexes and removes these from the AECG signal for enhancing the fetal QRS complexes. The average performance of the algorithm is 70%. It is based upon digital analysis of slope, amplitude and width of the signal. It automatically adjusts thresholds and parameters to adapt to such ECG changes as the QRS morphology and heart rates. The results acquired by the developed algorithm are also here.

Original languageEnglish
Title of host publicationIEEE Region 10 Annual International Conference, Proceedings/TENCON
Volume1
Publication statusPublished - 2000
Externally publishedYes
Event2000 TENCON Proceedings - Kuala Lumpur, Malaysia
Duration: 24 Sep 200027 Sep 2000

Other

Other2000 TENCON Proceedings
CityKuala Lumpur, Malaysia
Period24/9/0027/9/00

Fingerprint

Electrocardiography
Microcontrollers
Signal processing
Electrodes
Monitoring

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ahmed, F., Ali, M. A. M., & Zahedi, E. (2000). Real time algorithm for the portable recording of fetal and maternal heart rates. In IEEE Region 10 Annual International Conference, Proceedings/TENCON (Vol. 1)

Real time algorithm for the portable recording of fetal and maternal heart rates. / Ahmed, Firoz; Ali, M. Alauddin Mohd; Zahedi, Edmond.

IEEE Region 10 Annual International Conference, Proceedings/TENCON. Vol. 1 2000.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ahmed, F, Ali, MAM & Zahedi, E 2000, Real time algorithm for the portable recording of fetal and maternal heart rates. in IEEE Region 10 Annual International Conference, Proceedings/TENCON. vol. 1, 2000 TENCON Proceedings, Kuala Lumpur, Malaysia, 24/9/00.
Ahmed F, Ali MAM, Zahedi E. Real time algorithm for the portable recording of fetal and maternal heart rates. In IEEE Region 10 Annual International Conference, Proceedings/TENCON. Vol. 1. 2000
Ahmed, Firoz ; Ali, M. Alauddin Mohd ; Zahedi, Edmond. / Real time algorithm for the portable recording of fetal and maternal heart rates. IEEE Region 10 Annual International Conference, Proceedings/TENCON. Vol. 1 2000.
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