Occasionally hearing a heartbeat when your ear is pressed against a pillow is often nothing serious. Dr Anthony Youn has ...

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 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 ...

When it comes to heart function, anything that deviates from normal behavior is cause for concern, especially if you’re at risk of heart disease. One of the most common "abnormal" behaviors is a heart ...

Irregular heartbeat conditions affect millions of people worldwide, causing hearts to beat too fast, too slow, or with an uneven rhythm. These cardiac rhythm disturbances, medically known as ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure, and even premature death. While many risk factors contribute to A-fib, one stands ...