FujiFilm SonoSite X-Porte User Manual page 194

Left Atrial Area
Lopez, L. et al. "Recommendations for quantification methods during the performance of a pediatric
echocardiogram: A report from the pediatric measurements writing group of the American Society of
Echocardiography pediatric and congenital heart disease council."Journal of the American Society of
Echocardiograph. 2010, 23: p.465-495.
Left Atrial Volume
Lang R. et al. "Recommendations for Cardiac Chamber Quantification: A report from the American Society
of Echocardiography's Guidelinesand Standards Committee and the Chamber Quantification Writing
Group, Developed in Conjunction with the European Association of Echocardiography, a Branch of the
European Society of Cardiology." Journal of the American Society of Echocardiography. (2005), 18:
p.1440-1463.
Lang, R. et al. "Recommendations for Cardiac Chamber quantification by Echocardiography in Adults: An
update from the American Society of Echocardiography and European Association of Cardiovascular
Imaging." Journal of the American Society of Echocardiography. January (2015), 28: p.1-39.
LA Vol = p/4(h) (D1)(D2)
where:
LA Vol = Left Atrial Volume in ml
h = Height of stacked oval disks making up the LA
D1 = Orthogonal minor axis
D2 = Orthogonal major axis
Left Atrial Volume Index
Lang, R., M. Bierig, R. Devereux, et al. "Recommendations for chamber quantification: a report from the
American Society of Echocardiography's guidelines and standards committee and the chamber
quantification writing group, Developed in conjunction with the European Association of
Echocardiography, a branch of the European Society of Cardiology." Journal of the American Society of
Echocardiograph. 2005, 18: p.1440-1463.
Left Ventricular End Volumes (Teichholz) in ml
Teichholz, L.E., T. Kreulen, M.V. Herman, et al. "Problems in echocardiographic volume determinations:
echocardiographic-angiographic correlations in the presence or absence of asynergy." American Journal
of Cardiology. (1976), 37: p.7.
LVESV = (7.0 * LVDS
where:
LVESV = Left Ventricular End Systolic Volume
LVDS = Left Ventricular Dimension at Systole
LVEDV = (7.0 * LVDD
where:
6-8
3
)/(2.4 + LVDS)
3
)/(2.4 + LVDD)
Measurement references