It opens to allow blood to flow into the left ventricle and closes to prevent backflow into the left atrium. S3 (gallop) is an abnormal heart sound. It is not usually present but may be heard after S2 ...

S1 and S2 are normal heart sounds. Other heart sounds, such as S3 and S4, are abnormal. The heart has four chambers and valves: Heart sounds are broken down into two categories: systolic (related ...

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Abstract: Automatic heart sound detection plays a vital role in the early detection of cardiovascular diseases. In recent years, many heart sound detection algorithms have been proposed, becoming a ...

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A Flask-based S3 Browser for navigating AWS S3 buckets and files with secure, temporary URL generation for object sharing.