Table 2

 Main parameters obtained by Simpson’s rule and the area–length method with contrast Doppler computer interpreted analysis and with MRI

MethodOD (cm)ID (cm)Thickness (cm)LV mass (g)
Simpson’s ruleArea–length method
ID, internal diameter; NA, not applicable; OD, epicardial diameter.
MRI
    Mean (SD)7.76 (0.85)5.46 (0.76)1.15 (0.19)171.0 (52.4)187.3 (64.5)
    Range6.35–9.973.57–6.710.84–1.67105.1–318.7109.0–393.6
Contrast Doppler computer interpreted analysis
    Mean (SD)6.93 (0.71)4.73 (0.54)1.10 (0.16)178.2 (46.0)NA
    Range6.03–8.723.96–6.430.89–1.49112.6 (307.6)NA