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 ...

The third heart sound (S3), also known as the "ventricular gallop," occurs just after S2 when the mitral valve opens allowing passive filling of the left ventricle. The S3 sound is actually produced ...

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 ...

The ability of physicians to recognize abnormal heart sounds is only fair at best. Fortunately, the solution is simple: Listening repeatedly. In fact, intensive repetition -- listening at least 400 ...

The mitral valve controls the flow of blood from the heart’s left atrium down to the left ventricle, where it is pumped out to the body. When part of the valve doesn’t close properly, it’s called ...

A heart murmur is an extra sound that can occur between heartbeats as blood moves through the heart. In babies, it is usually not a cause for concern. Sometimes, however, it can indicate an underlying ...

IT IS possible that the existence of the heart sounds was known to Hippocrates 1 and even that he made use of his knowledge for diagnostic purposes, but William Harvey 2 seems to have been the first ...