S3 Heart Sounds Page
Welcome to our S3 heart sound page. On this page we provide a definition and then we compare heart sounds with s3 to heart sounds with s4, using audio recordings and text. There is a link our the S3 lessons at the bottom of the page.
What are S3 Heart Sounds?
Third heart sounds are short, low frequency sound heard best with the stethoscope's bell. They occurs early in diastole and are dull in quality. They create a galloping rhythm with a cadence similar to the word 'Kentucky'.
Normal vs S3 Heart Sounds
Here we offer a comparison of a normal heart sounds vs an S3 heart sounds.
Compare normal to S3.
Listen to this normal heart sound recording.
S3 Heart Sound
Listen for a short, low frequency sounds early in diastole. Try to match the cadence to 'Kentucky'.