Complete foetal ECG morphology recording by synchronised adaptive filtration
Present noninvasively measured indices of foetal stress are indirect and not sufficient. Foetal electrocardiography (FECG) is a potential noninvasive measurement of the foetus wellbeing which has been little utilised because of the difficulties of measuring it. The development of time-sequenced adap...
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| Published in | Medical & biological engineering & computing Vol. 28; no. 4; pp. 287 - 292 |
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| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
Heidelberg
Springer
01.07.1990
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0140-0118 1741-0444 |
| DOI | 10.1007/BF02446144 |
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| Abstract | Present noninvasively measured indices of foetal stress are indirect and not sufficient. Foetal electrocardiography (FECG) is a potential noninvasive measurement of the foetus wellbeing which has been little utilised because of the difficulties of measuring it. The development of time-sequenced adaptive filters which are synchronised to the QRS complex by the use of Doppler echocardiography allowed the recording of relatively noise-free FECG. The paper describes the use of this technique for obtaining the complete complex of the FECG. Several sets of time-sequenced adaptive filters are combined to allow a multilead abdominal recording to produce a measurement system which rejects maternal ECG and enhances the FECG. Five subjects have been analysed, and their FECGs have been accurately reproduced with minimal changes of the filters' parameters. |
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| AbstractList | Present noninvasively measured indices of foetal stress are indirect and not sufficient. Foetal electrocardiography (FECG) is a potential noninvasive measurement of the foetus wellbeing which has been little utilised because of the difficulties of measuring it. The development of time-sequenced adaptive filters which are synchronised to the QRS complex by the use of Doppler echocardiography allowed the recording of relatively noise-free FECG. The paper describes the use of this technique for obtaining the complete complex of the FECG. Several sets of time-sequenced adaptive filters are combined to allow a multilead abdominal recording to produce a measurement system which rejects maternal ECG and enhances the FECG. Five subjects have been analysed, and their FECGs have been accurately reproduced with minimal changes of the filters' parameters. Present noninvasively measured indices of foetal stress are indirect and not sufficient. Foetal electrocardiography (FECG) is a potential noninvasive measurement of the foetus wellbeing which has been little utilised because of the difficulties of measuring it. The development of time-sequenced adaptive filters which are synchronised to the QRS complex by the use of Doppler echocardiography allowed the recording of relatively noise-free FECG. The paper describes the use of this technique for obtaining the complete complex of the FECG. Several sets of time-sequenced adaptive filters are combined to allow a multilead abdominal recording to produce a measurement system which rejects maternal ECG and enhances the FECG. Five subjects have been analysed, and their FECGs have been accurately reproduced with minimal changes of the filters' parameters.Present noninvasively measured indices of foetal stress are indirect and not sufficient. Foetal electrocardiography (FECG) is a potential noninvasive measurement of the foetus wellbeing which has been little utilised because of the difficulties of measuring it. The development of time-sequenced adaptive filters which are synchronised to the QRS complex by the use of Doppler echocardiography allowed the recording of relatively noise-free FECG. The paper describes the use of this technique for obtaining the complete complex of the FECG. Several sets of time-sequenced adaptive filters are combined to allow a multilead abdominal recording to produce a measurement system which rejects maternal ECG and enhances the FECG. Five subjects have been analysed, and their FECGs have been accurately reproduced with minimal changes of the filters' parameters. |
| Author | Shavit, D. Adam, D. |
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| Cites_doi | 10.1007/BF02474158 10.1109/TAP.1981.1142661 10.1007/BF02442804 10.1109/TAP.1985.1143619 10.1515/jpme.1986.14.6.411 10.1080/00325481.1977.11714549 10.1016/0010-4825(85)90020-4 10.1016/0041-624X(78)90039-2 10.1109/PROC.1975.10036 10.1016/0010-4809(77)90046-5 10.1007/BF02442706 10.1111/j.1471-0528.1986.tb07804.x |
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| Keywords | Electrocardiography Electrodiagnosis Exploration Fetus Technique |
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| References | P. Bergveld (BF02446144_CR1) 1985; 33 Y. Takeuchi (BF02446144_CR19) 1978; 16/3 D. L. Tuck (BF02446144_CR20) 1981; 19 J. Pan (BF02446144_CR12) 1985; 32 K. R. Greene (BF02446144_CR8) 1987; 1 B. Widrow (BF02446144_CR24) 1975; 63 T. A. Reichart (BF02446144_CR14) 1977; 10 D. L. Tuck (BF02446144_CR21) 1982; 20 E. R. Ferrara (BF02446144_CR3) 1977 E. R. Ferrara (BF02446144_CR4) 1981; 29 P. A. Hawrylyshyn (BF02446144_CR9) 1982; 59 K. G. Rosen (BF02446144_CR15) 1986; 14 E. R. Ferrara (BF02446144_CR6) 1982; 29 BF02446144_CR17 G. Pardi (BF02446144_CR13) 1986; 14 A. Oosterom van (BF02446144_CR23) 1986; 14 V. D. Saini (BF02446144_CR16) 1985; 15 D. Shavit (BF02446144_CR18) 1987 E. R. Ferrara (BF02446144_CR5) 1981; 29 B. A. Goddard (BF02446144_CR7) 1966; 4 Y. Murata (BF02446144_CR11) 1977; 61 W. Creoles (BF02446144_CR2) 1986; 33 H. M. Jenkins (BF02446144_CR10) 1986; 93 J. Vanderschoot (BF02446144_CR22) 1987; 34 |
| References_xml | – volume: 34 start-page: 233 year: 1987 ident: BF02446144_CR22 publication-title: IEEE Trans. – volume: 14 start-page: 371 year: 1986 ident: BF02446144_CR13 publication-title: J. Perinat. Med. – volume: 4 start-page: 159 year: 1966 ident: BF02446144_CR7 publication-title: Med. & Biol. Eng. doi: 10.1007/BF02474158 – volume: 29 start-page: 766 year: 1981 ident: BF02446144_CR5 publication-title: IEEE Trans. doi: 10.1109/TAP.1981.1142661 – volume: 29 start-page: 458 year: 1982 ident: BF02446144_CR6 publication-title: IEEE Trans. – volume: 20 start-page: 357 year: 1982 ident: BF02446144_CR21 publication-title: Med. & Biol. Eng. & Comput. doi: 10.1007/BF02442804 – volume: 33 start-page: 957 year: 1986 ident: BF02446144_CR2 publication-title: IEEE Trans. – volume: 29 start-page: 679 year: 1981 ident: BF02446144_CR4 publication-title: IEEE Trans. – volume: 1 start-page: 131 issue: 1 year: 1987 ident: BF02446144_CR8 publication-title: Clin. Obstet. Gynaecol. – volume: 33 start-page: 505 year: 1985 ident: BF02446144_CR1 publication-title: IEEE Trans. doi: 10.1109/TAP.1985.1143619 – ident: BF02446144_CR17 – volume: 14 start-page: 411 year: 1986 ident: BF02446144_CR23 publication-title: J. Perinat. Med. doi: 10.1515/jpme.1986.14.6.411 – volume: 61 start-page: 127 year: 1977 ident: BF02446144_CR11 publication-title: Postgrad. Med. doi: 10.1080/00325481.1977.11714549 – volume-title: Correlating fetal Doppler cardiography and ECG year: 1987 ident: BF02446144_CR18 – volume: 15 start-page: 81 issue: 2 year: 1985 ident: BF02446144_CR16 publication-title: Comput. Biol. Med. doi: 10.1016/0010-4825(85)90020-4 – volume: 16/3 start-page: 127 year: 1978 ident: BF02446144_CR19 publication-title: Ultrasonics doi: 10.1016/0041-624X(78)90039-2 – volume: 63 start-page: 1692 year: 1975 ident: BF02446144_CR24 publication-title: Proc. IEEE doi: 10.1109/PROC.1975.10036 – volume: 59 start-page: 747 year: 1982 ident: BF02446144_CR9 publication-title: Obstet. & Gynecol. – volume: 10 start-page: 1 year: 1977 ident: BF02446144_CR14 publication-title: Computers & Biomed. Res. doi: 10.1016/0010-4809(77)90046-5 – volume: 19 start-page: 135 year: 1981 ident: BF02446144_CR20 publication-title: Med. & Biol. Eng. & Comput. doi: 10.1007/BF02442706 – volume: 32 start-page: 230 year: 1985 ident: BF02446144_CR12 publication-title: IEEE Trans. – volume-title: The time-sequenced adaptive filter year: 1977 ident: BF02446144_CR3 – volume: 93 start-page: 6 year: 1986 ident: BF02446144_CR10 publication-title: Br. J. Obstet. Gynaecol. doi: 10.1111/j.1471-0528.1986.tb07804.x – volume: 14 start-page: 355 year: 1986 ident: BF02446144_CR15 publication-title: J. Perinat. Med. |
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| SubjectTerms | Biological and medical sciences Electrocardiography Fetal Heart - physiology Fetal Monitoring - instrumentation Filtration - instrumentation Gynecology. Andrology. Obstetrics Humans Management. Prenatal diagnosis Medical sciences Pregnancy. Fetus. Placenta Signal Processing, Computer-Assisted |
| Title | Complete foetal ECG morphology recording by synchronised adaptive filtration |
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