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A method for foetal heart rate monitoring during magnetic resonance imaging using Doppler ultrasound

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Published under licence by IOP Publishing Ltd
, , Citation Simon A Shakespeare et al 1999 Physiol. Meas. 20 363 DOI 10.1088/0967-3334/20/4/303

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1 School of Electrical and Electronic Engineering, University of Nottingham, Nottingham NG7 2RD, UK

2 School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, UK

Dates

  1. Received 4 May 1999

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0967-3334/20/4/363

Abstract

A means of monitoring foetal heart rate (FHR) during magnetic resonance imaging (MRI) is presented. Foetal heart rate was measured using a modified standard Doppler ultrasound based monitor. The transducer and lead from the monitor required alteration to reduce interference and distortion in the MR images to acceptable levels. These changes enabled high quality images to be produced with insignificant additional noise and distortion when the foetal heart rate was recorded simultaneously.

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10.1088/0967-3334/20/4/303