LV Myocardial Performance Index

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Data Acquisition

LV myocardial performance index

Reference Values

Normal 0.39 ± 0.05
Dilated cardiomyopathy 0.59 ± 0.10


\[LV \hspace{0.2cm}MPI = \frac{IVCT + IVRT}{LVET} = \frac{MCOT-LVET}{LVET} \]


LV MPI LV myocardial performance index
MCOT Mitral Valve Closure to Opening Time
LVET LV ejection time


1. Tei C, Ling LH, Hodge DO, et al. New index of combined systolic and diastolic myocardial performance: a simple and reproducible measure of cardiac function – a study in normals and dilated cardiomyopathy. J Cardiol 1995;26:357-366. Abstract


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Developer & Illustrator: Sirikarn Napan, MD, FACC