Calculate the myocardial performance index (Tei index = IVCT+IVRT/ET) as a global measure of LV function. Normal <0.40 by pulsed Doppler; >0.40 indicates global dysfunction.
Use the full interactive calculator below, or
IVRT Diastolic Grading
Hyper-niche Medical
S-Wave TDI Dysfunction
E-Wave Propagation Vp