Table 1

Electrocardiographic, radiographic, echocardiographic, and magnetic resonance imaging data (51 Mustard patients)

RR interval, rest (ms)920 (254)
PR interval (ms)181 (35)
Superior QRS axis (0° to + 180°)11 (21.6%)
QRS duration max (ms)116 (20)
QT interval (ms)470 (54)
QT dispersion (ms)62 (34)
U wave (biphasic or >50% of T wave)8 (15.7%)
CTR0.51 (0.07)
Severity I–II III IV
RV dysfunction, rest23 (45%)26 (50.9%)2 (3.2%)
Tricuspid regurgitation34 (66.7%)14 (27.5%)3 (5.9%)
Magnetic resonance imaging
RVEDD (mm)41.2 (8.1)
LVEDD (mm)25.6 (8.7)
Ratio of RVEDD to LVEDD1.85 (0.8)
RV free wall thickness (mm)12.8 (3.3)
LV posterior wall thickness (mm)8.4 (2.3)
Ratio of RV to LV wall thickness1.6 (0.5)
IVS thickness (mm)9.8 (2.9)
  • Values are mean (SD) or n (%).

  • CTR, cardiothoracic ratio; I–II, absent or mild; III, moderate; IV, severe; IVS, intraventricular septum; LV, left ventricular; LVEDD, left ventricular end diastolic diameter; RV, right ventricular; RVEDD, right ventricular end diastolic diameter.