Researchers show that regular earbuds can be turned into heart-vibration sensors that measure detailed heart valve activity almost as accurately as chest-mounted medical devices.

Blood flows through the heart and generates noises known as heart sounds. These noises occur due to heart valves opening and closing as the heart pumps blood. A doctor can gain valuable information by ...

An S4 heart sound is a low-pitched sound that occurs toward the end of the diastole. In some cases, an underlying health condition, often one affecting the left ventricle, may cause the S4 heart sound ...

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 ...