Cardiovascular disease moves in stealth. Years pass with no visible signs. Once chest pain, fatigue or other physical symptoms set in, the heart has already been overworked and damaged. Warning signs ...

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 ...

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 ...