In the article entitled “Assessment of transmitral vortex formation in patients with diastolic dysfunction” by Kheradvar et al (J Am Soc Echocardiogr 2012;25:220-7), there was an error in the text on page 221 and equation 2 on page 222. The corrected text and equation is as follows:
where β is the fraction of stroke volume (SV) contributed from the atrial component of LV filling, obtainable as
<SPAN role=presentation tabIndex=0 id=MathJax-Element-1-Frame class=MathJax style="POSITION: relative" data-mathml='β=VASV=VTIA×π4DE2SV’>β=VASV=VTIA×π4D2ESVβ=VASV=VTIA×π4DE2SV
β = V A SV = VTI A × π 4 D E 2 SV
β = V A SV = VTI A × π 4 D E 2 SV
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