Ultrasound - Fetal Heart Rate
|Embryology - 21 Jul 2019 Expand to Translate|
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Fetal Heart Rate from Ultrasound
This movie is a realtime ultrasound recording of the week 12 fetus using doppler to measure the fetal heart rate.
- The transducer is initially moved to locate the fetal heart (shown in the upper panel).
- The transducer is positioned to record through the heart and the changes in response to heart contraction are recorded in real time (shown in lower panel).
- A region in the recording that shows 2 sequential contractions is then identified and the distance between these 2 points can be used to calculate the heart rate (BPM, beats/minute).
- Note that at the end of this recording a large artefact generated by fetal movement during the recording.
Listen also the audio recording of an older fetus heart sounds [[Fetal_Heart_Sounds_Audio|Fetal Heart Sounds week 15 (GA Week 17)]].
- Links: MP4 movie | MP3 Audio | Fetal Heart Sounds Week 17 | Heart Rate Development | Cardiovascular System Development | Ultrasound | Movies
Cite this page: Hill, M.A. (2019, July 21) Embryology Ultrasound - Fetal Heart Rate. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Ultrasound_-_Fetal_Heart_Rate
- © Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G