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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 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 ...

Diastolic heart failure causes a stiff left ventricle that prevents the heart from relaxing between beats. Common symptoms include coughing, tiredness, and shortness of breath. Systolic and diastolic ...

Left ventricular diastolic dysfunction (LVDD) happens when your heart can’t relax and fill with blood properly during the diastole phase. Aging is the most common cause, with an estimated 88% of ...