“Atrial fibrillation (AFib), a common heart rhythm, often goes undiagnosed due to its fleeting nature,” begins “The Sound of AFib,” a new short film from Omron healthcare, marketer of personal blood ...

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.

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 ...