An echocardiogram is the primary diagnostic tool used for tricuspid regurgitation. Also called a diagnostic cardiac ultrasound, this test uses ultrasound technology to produce images of your heart’s ...

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 ...