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

“Lub-dub…lub-dub…lub-dub…” That’s the sound a healthy heart makes as its valves close after each pump. Your doctor wants to ...

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 ...

Millions of Americans experience an irregular heartbeat, which can be unsettling and scary. When irregular heartbeats happen — and they happen a lot — electrophysiologists have sophisticated solutions ...

Andrew Josephson creates iPhone app that detects an abnormal heart. Feb. 28, 2014— -- Dr. Daniel Mason, a prominent cardiologist, had a big heart, taking an active interest in each one of his ...

A third heart sound, or S3, is a low-frequency, extra heart sound that may be heard with a stethoscope right after the normal S1 and S2 heart sounds. S1 and S2 are the "lub-dub" sounds of a heartbeat ...

Arvind Sridhar does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...