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  • 1985-1989  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Umbilical artery flow velocity waveforms in labour (1989)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 96 (1989), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Doppler signals were recorded from the umbilical arteries in 103 women during labour. The pulsatility index (PI) did not alter with progress in labour. During uterine contractions the PI showed a change only if there was a deceleration in the fetal heart rate. Low birthweight (〈10th centile) and delivery by caesarean section for fetal distress were significantly more frequent in patients with abnormal PI values (defined as 〉2 SD above the mean in normal labours). Fetal scalp blood pH was measured in 24 patients. The PI was abnormal in only one case, but none of the 24 had a pH 〈7·20.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1989.tb01654.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Low-cost Doppler signal simulator (1987)
    Springer
    Medical & biological engineering & computing 25 (1987), S. 226-228 
    Details
    ISSN: 1741-0444
    Keywords: Doppler ultrasound ; Mean frequency follower ; Spectral analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02442856
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    Paper (German National Licenses)
    Fulltext
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