Table 3.
Electrocardiographic Abnormalities
| Normal ECG | 3517 (97.2%) |
| Abnormal ECG | 103 (2.8%) |
| T‐wave inversion | 20 |
| ST‐segment depression | 5 |
| Pathologic Q‐waves | 25 |
| Complete RBBB | 2 |
| Left atrial enlargement | 4 |
| Left axis deviation | 9 |
| Right atrial enlargement | 1 |
| Right ventricular hypertrophy | 2 |
| Ventricular preexcitation/WPW | 9 |
| Prolonged QTca | 7 |
| Ventricular arrhythmiab | 1 |
| Premature ventricular contractions | 11 |
| Sinus tachycardia ≥120 bpm | 2 |
| Otherc | 4 |
RBBB indicates right bundle branch block; WPW, Wolff‐Parkinson‐White.
a
Three with QTc ≥500 ms; 4 with QTc ≥470 ms (male) or ≥480 ms (female).
b
Bigeminy.
c
One each: ectopic beats, borderline Q‐waves, borderline T‐wave inversion, prolonged S‐wave upstroke in V2 and V3.