You are incorrect - our patient's acoustic events at the lower left sternal edge demonstrate a third heart sound (S3) and a fourth heart sound (S4) heard during inspiration. Normal first and second sounds are also heard.
Your choice: S3 + S4 in inspiration and expiration
0:00
/
0:00
Loaded: 0%
0:00
Progress: 0%
Stream TypeLIVE
0:00
1x
Chapters
descriptions off, selected
captions settings, opens captions settings dialog
captions off, selected
This is a modal window.
The media could not be loaded, either because the server or network failed or because the format is not supported.
Beginning of dialog window. Escape will cancel and close the window.
End of dialog window.
This is a graphic example of a fourth heart sound, a first heart sound, a second heart sound and a third heart sound. Note that the third and fourth sounds are low frequency.