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 ...

S1 is the first heart sound that doctors can hear using a stethoscope. The vibrations that occur when the mitral and tricuspid valves in the heart close produce the S1 sound. There are two common ...

Cardiovascular diseases remain a global health crisis, spurring an urgent demand for innovative diagnostic tools that enable early detection and effective treatment. Wearable heart sound devices ...

When someone opens the door and enters a hospital room, wearing a stethoscope is a telltale sign that they’re a clinician. This medical device has been around for over 200 years and remains a staple ...

Background Heart auscultation is a widely used and cost-effective clinical tool for detecting valvular heart disease (VHD), particularly in primary care. However, existing evidence on its diagnostic ...