|
Topic |
Cardiovascular Examination |
||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||
|
Split 1st Heart Sound |
|
Return to Topic | |||
|
| |||
S1 splitting is normal in many patients and is thought to be caused by mitral valve closure followed by an aortic ejection sound.
Recording provided by Jules Constant, MD.