Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart valves close.Heart murmurs are extra sounds that can be heard during systole, ...

There is a link between atypical heart sounds and atrial fibrillation. People with this condition have an irregular, disorganized heartbeat. Atrial fibrillation is a serious type of arrhythmia, which ...

Cleveland Clinic Weston’s Dr. Cedric Sheffield said that the most common left ventricular assist device being used right now for adults is Abbott’s HeartMate 3, above. Courtesy of Abbott When a ...