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%) | ||
| CTR | 0.51 (0.07) | ||
| Echocardiography | |||
| Severity | I–II | III | IV |
| RV dysfunction, rest | 23 (45%) | 26 (50.9%) | 2 (3.2%) |
| Tricuspid regurgitation | 34 (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 LVEDD | 1.85 (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 thickness | 1.6 (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.