Atrial fibrillation (Afib) is a type of cardiac arrhythmia, or abnormal heart rhythm, that is very common — and more prevalent than previously thought. A large study published in October 2024 in a ...

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, diastole, or as a continuous sound. S3 and S4 are abnormal ...

Atrial fibrillation, also known as AFib, is an irregular heartbeat, or arrhythmia that happens when the upper chambers of the heart (the atria) are out of sync with the lower chambers and beating ...

If you have a racing or irregular heartbeat, also known as an arrhythmia, one likely suspect is atrial fibrillation (AFib). “Of all the possible heart rhythm disorders, atrial fibrillation is by far ...

San Francisco, CA - Calling into question the "time-honored" tradition of using third and fourth heart sounds to identify cardiac abnormalities, a new study indicates that the overall diagnostic ...

CLEVELAND — As American Heart Month continues, doctors are sounding the alarm about a surprising trend: Atrial fibrillation, or AFib, is increasingly affecting younger, active adults in their thirties ...