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 ...

What is a heart murmur? They can be harmless or signal a more serious heart problem. These are the heart murmur symptoms to ...

In the United States, cardiovascular health is especially important. Heart disease is the leading cause of death in the U.S., and as many as 1.5 million people have been diagnosed with aortic stenosis ...

No-reflow syndrome can affect people after a heart attack or a medical procedure. Dr Ashok Seth explains why clear arteries ...

Mitral regurgitation (MR) and tricuspid regurgitation (TR) are two conditions involving backward leakage of blood through a heart valve when a ventricle contracts. People may experience either or both ...