Left Ventricular Diastolic Function

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Data Acquisition

Diastolic function measurement

LV volume measurementLA volume by biplane method

Algorithms

diastolic function in patients with normal EF

Algorithm for diagnosis of LV diastolic dysfunction in subjects with normal LVEF1

Mitral inflow evaluation of diastolic function

Algorithm for estimation of LV filling pressures and grading LV diastolic function in patients with depressed LVEFs and patients with myocardial disease and normal LVEF after consideration of clinical and other 2D data.1

Definitions

LV EF Left ventricular ejection fraction
e’ Mitral annular velocity (cm/s)
E Mitral inflow velocity (cm/s)
TR Tricuspid regurgitation
LA Left atrium
LAP Left atrial pressure

Reference

1. Nagueh SF, et al. Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography: An Update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging. Full Text

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Developer & Illustrator: Sirikarn Napan, MD, FACC