Tei index measured by echocardiography is a valuable indicator to estimate ventricular systolic and diastolic function,which is less affected by other factors than the other conventional index.

Changes of plasma levels of adrenodullin,C-type natriuretic peptide and myocardial performance index in children with chronic heart failure;

Assessment of left ventricular function in rheumatic mitral stenosis patients by myocardial performance index;

Value of Myocardial performance index Measuring by Tissue Doppler imaging in coronary atherosclerotic heart disease

Myocardial performance index in evaluating fetal cardiac function in gestational diabetes mellitus by tissue Doppler imaging;