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

The S3 heart sound occurs as the mitral valve opens and allows blood to fill the left ventricle passively. The sound happens as a result of blood striking the left ventricle during early diastole. An ...

S1 is the first heart sound that doctors can hear using a stethoscope. The vibrations that occur when the mitral and tricuspid valves in the heart close produce the S1 sound. There are two common ...

Lubb-dupp. Lubb-dupp. Those are the words that health care professionals often use to mimic the sound of your heartbeat. That steady, regular sound is made by your heart valves opening and closing as ...

Valvular heart disease, also called heart valve disease, occurs when you have a diseased or damaged heart valve. When your heart pumps blood, your valves open and close to keep blood flowing in the ...

Graphical diagnostics: Signals from a normal aortic valve (left) show two separated sounds while those from a defective aortic valve (right) display diamond-shaped murmurs. The sound data were used to ...

As you get older, you may expect to feel a little slower. Climbing the stairs might leave you feeling winded. Yard work takes ...

While RHD remains asymptomatic for years in many cases, depending upon the severity of the valvular changes, it may eventually present with tiredness, feeling short of breath after exertion, and chest ...