Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart ...

The S3 heart sound occurs as the mitral valve opens and allows blood to fill the left ventricle passively. The sound happens as a result of blood striking the left ventricle during early diastole. An ...

When the doctor places that cold stethoscope on your chest, she’s listening for two distinct sounds – lub-DUB. “You can almost set your clock to what you are hearing,” said internist Mary Ann Kuzma.

San Francisco, CA - Calling into question the "time-honored" tradition of using third and fourth heart sounds to identify cardiac abnormalities, a new study indicates that the overall diagnostic ...

Atlanta, GA - The Heart Sounds Tutorial, an online simulation of a cardiac physical examination, will be demonstrated throughout the American College of Cardiology 51st Annual Scientific Session.

Graphical diagnostics: Signals from a normal aortic valve (left) show two separated sounds while those from a defective aortic valve (right) display diamond-shaped murmurs. The sound data were used to ...

It’s somewhat amazing how these rather inexpensive electronics can augment the functionality of a common stethoscope. This digital stethoscope is using audio processing to add the features. A standard ...

A SEARCH for cardiac murmurs is frequently the major objective of cardiac auscultation, and all too often insufficient attention is given to the heart sounds. In the past few years there has been a ...

IT IS possible that the existence of the heart sounds was known to Hippocrates 1 and even that he made use of his knowledge for diagnostic purposes, but William Harvey 2 seems to have been the first ...

Researchers at the University of Cambridge have developed a handheld device that makes it easy for anyone—regardless of medical training—to record heart sounds accurately. Unlike a traditional ...