Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart ...

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 auscultation by primary care providers detected heart murmurs in nearly 1 in 4 individuals in a Norwegian population. While murmurs were particularly useful for detecting aortic stenosis, their ...