Table 4.

Reproducibility of measurements

	EBEF	Simpson	TDIs	AVPDm	LVOT VTI
Intraobserver	6.8	10.6	8.2	4.4	3.1
Interobserver	9.9	8.2	7.2	5.3	4.8

Intra- and interobserver coefficients of variation (%) for EBEF; the Simpson single-plane method of the four-chamber view; AVPDm, atrioventricular plane displacement, mean value of septal, lateral, anterior, inferior measurements; EBEF, eyeball ejection fraction; LVOT VTI, velocity time integral in the left ventricular outflow tract; TDIs, pulsed tissue Doppler imaging, systolic velocity of the septal portion of the mitral annulus.