File:Fetal heartbeat 01.mp3
From Embryology
Fetal_heartbeat_01.mp3 (file size: 225 KB, MIME type: audio/mp3)
Human Fetus (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.
File history
Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan
| Gwalagizhi | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 18:16, 9 August 2010 | (225 KB) | S8600021 (talk | contribs) | ==Human Fetus (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) |
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