Skip to main content

Table 2 Healthy subjects- Right atrial summary data for all ages (mean ± SD, 95% confidence interval)

From: Reference right atrial dimensions and volume estimation by steady state free precession cardiovascular magnetic resonance

  All Males Females
Volume [mL] SD 20 100 (61, 139) 109 (64, 154) 91 (58, 124)
Volume/BSA [mL/m2] SD 10.3 54 (34, 75) 55 (33, 78) 53 (36, 70)
Area – 4 ch [cm2] SD 3.8 22 (15, 30) 24 (15, 33) 20 (15, 26)
Area/BSA – 4 ch [cm2/m2] SD 1.8 12 (8, 15) 12 (8, 16) 12 (9, 15)
Longitudinal diameter – 4 ch [cm] SD 0.58 5.5 (4.3, 6.6) 5.6 (4.6, 6.7) 5.3 (4.3, 6.4)
Longitudinal diameter/BSA – 4 ch [cm/m2] SD 0.32 3.0 (2.4, 3.6) 2.9 (2.5, 3.3) 3.1 (2.6, 3.6)
Transverse diameter – 4 ch [cm] SD 0.55 4.7 (3.7, 5.8) 5.0 (3.7, 6.4) 4.5 (3.6, 5.4)
Transverse diameter/BSA – 4 ch [cm/m2] SD 0.3 2.6 (2.0, 3.2) 2.6 (1.9, 3.3) 2.6 (2.2, 3.1)
Area – 2 ch [cm2] SD 3.95* 22 (14, 29) 23 (14, 31) 21 (14, 27)
Area/BSA – 2 ch [cm2/m2] SD 2.27 * 12 (7, 16) 12 (7, 16) 12 (8, 16)
Longitudinal diameter – 2 ch [cm] SD 0.5 5.4 (4.4, 6.5) 5.7 (4.6, 6.8) 5.1 (4.1, 6.1)
Longitudinal diameter/BSA – 2 ch [cm/m2] SD 0.3 2.9 (2.4, 3.5) 2.9 (2.3, 3.4) 3.0 (2.0, 4.0)
Transverse diameter – 2 ch [cm] SD 0.7 * 4.3 (3.0, 5.7) 4.3 (3.1, 5.5) 4.4 (3.3, 5.5)
Transverse diameter/BSA – 2 ch [cm/m2] SD 0.4 * 2.4 (1.5, 3.2) 2.2 (1.5, 2.9) 2.6 (1.5, 3.7)
  1. BSA – body surface area; 4 ch – 4-chamber view; 2 ch – 2-chamber view.
  2. * Significant differences (p < 0.05) among age groups on multivariate analysis.