Number | % | |
Left ventricular hypertrophy | 1280 | 14.9 |
Ischaemic-like changes | 392 | 4.6 |
Conduction disturbances | 616 | 7.2 |
RBBB | 318 | 3.7 |
Incomplete | 170 | |
Complete | 148 | |
LBBB | 10 | 0.12 |
AV conduction disturbances | 195 | 2.3 |
First degree | 193 | |
Second degree | 2 | |
QRS axis deviation | 93 | 1.1 |
Left | 75 | |
Right | 18 | |
Rhythm disturbances | 511 | 5.9 |
Premature contractions | 249 | 2.9 |
Atrial | 94 | |
Ventricular | 155 | |
Sinus arrhythmias | 221 | 2.6 |
Bradycardia | 188 | |
Tachycardia | 33 | |
Atrial fibrillation | 41 | 0.48 |
Others | ||
WPW syndrome | 18 | 0.21 |
AV, atrioventricular; LBBB, left bundle branch block; RBBB, right bundle branch block; WPW, Wolff-Parkinson-White.