Fetal Heart Sounds Audio
Human Fetus (GA 17 week) heart beat
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) Thanks to Debra Copeland, for providing fetal heart beat for public use.
Listen also the audio recording of an older fetus heart sounds Fetal Heart Sounds GA Week 17
- Links: MP4 version | Quicktime version | Ultrasound Week 12 Heart Rate | Heart Rate Development | Cardiovascular System Development | Ultrasound | Movies
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Cite this page: Hill, M.A. (2024, June 26) Embryology Fetal Heart Sounds Audio. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Fetal_Heart_Sounds_Audio
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
