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 ...

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 ...

A heart murmur is, as the name suggests, a sound that occurs during a heartbeat, caused by rapid, turbulent blood flow through the heart. Characterised as a whooshing or swishing sound, these heart ...

A heart murmur can sound scary—literally. A Keck Medicine of USC cardiologist explains why it might not be as scary as you think. As Oana Maria Penciu, MD, a cardiologist with the USC Cardiac and ...