The S3 heart sound occurs as the mitral valve opens and allows blood to fill the left ventricle passively. The sound happens as a result of blood striking the left ventricle during early diastole. An ...

When a doctor listens to the heart of a person with a heart murmur, they may hear a whooshing, swishing, humming, or rasping sound. This is due to rapid, turbulent blood flow through the heart.

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 we exercise, our brains and bodies process a non-stop stream of information, but scientists have now shown how one data point can be manipulated to play tricks on the mind. In a paper published ...

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 heart murmur is a whooshing or rasping sound between heartbeats. It’s often harmless, but it can signal a heart problem. Innocent murmurs are caused by normal blood flow and may occur with pregnancy ...