Fetal Heart Sounds Audio

From Embryology
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Human Fetus (GA 17 week) heart beat

This audio only movie is a realtime recording of the GA week 17 fetal heart rate and heart sounds.

<mp3player>File:Week17 fetal heart rate.mp3</mp3player>


The characteristic "lub-dup" sounds are associated with closing of heart valves.

  • The first sound (lub) occurs as atrioventricular valves close and signifies beginning of systole (contraction)
  • The second sound (dup) occurs when semilunar valves close at the beginning of ventricular diastole (relaxation)


Links: MP4 version | Quicktime version | Ultrasound Week 12 Heart Rate | Heart Rate Development | Cardiovascular System Development | Ultrasound | Movies

Reference

Thanks to Debra Copeland, for providing fetal heart beat for public use.


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Cite this page: Hill, M.A. (2024, June 16) Embryology Fetal Heart Sounds Audio. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Fetal_Heart_Sounds_Audio

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G