The basic premise of the stethoscope has been around for centuries, largely unchanged. Jonathan Kitchen/DigitalVision via ...

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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 ...

An S4 heart sound cannot be present during atrial fibrillation (atrial kick is required). An S3 heart sound cannot be present in the setting of severe mitral stenosis. An S3 heart sound can be present ...

Heart sounds are created as blood flows through the heart's valves, causing them to open and close. Abnormal heart sounds such as murmurs may indicate problems with the heart valves. Ordinarily, heart ...

Doctors have been listening to the sounds our bodies make for years. Before the invention of stethoscopes, they simply put their ears to their patients' chests or abdomens. The technical term for this ...

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 ...

For more than a century physicians have listened to the slapping of the valves in the heart with the stethoscope. Now these sounds can be subjected to refined analysis with modern electronic gear ...