S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...

Cardiovascular diseases remain a global health crisis, spurring an urgent demand for innovative diagnostic tools that enable early detection and effective treatment. Wearable heart sound devices ...

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 ...

A team of engineers has recently built a tissue-like bioelectronic mesh system integrated with an array of atom-thin graphene sensors that can simultaneously measure both the electrical signal and the ...

Cardiovascular disease moves in stealth. Years pass with no visible signs. Once chest pain, fatigue or other physical symptoms set in, the heart has already been overworked and damaged. Warning signs ...

“We’ve called it Shazam for heartbeats. You know Shazam, the music identification app that helps you figure out what song is playing in Starbucks. We do the same thing, but for heart sounds.” That’s ...

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 ...

Editor's Note: Before reading this article, it is recommended that readers first review "Nonauscultatory Cardiac Exam: Assessing the Elderly Person," previously published on Medscape. As with most ...

Doctors have been listening to the sounds our bodies make for years. Before the invention of stethoscopes, they simply put their ears to their patients' chests or abdomens. The technical term for this ...