ECG finding | Number | Normal* | Phys remod* | Abnormal* | Confirmed pathology† |
Single ECG findings | |||||
RBBB | 8 | 1 (13) | 6 (74) | 1 (13) | 0 |
LAE | 4 | 2 (50) | 2 (50) | 0 | 0 |
LBBB | 2 | 0 | 0 | 2 (100) | 1 (Myocarditis) |
Total | 14 | 3 (21) | 8 (58) | 3 (21) | 1/14 |
Multiple ECG findings | |||||
LVH + LAE | 23 | 3 (13) | 19 (83) | 1 (4) | 0 |
RBBB + RAE | 5 | 1 (20) | 4 (80) | 0 | 0 |
LVH + TWI | 3 | 0 | 2 (67) | 1 (33) | 1 (HCM) |
LVH + LAD | 2 | 0 | 2 (100) | 0 | 0 |
LVH + LAD + LAE | 1 | 0 | 1 (100) | 0 | 0 |
RVH + RAD | 1 | 0 | 1 (100) | 0 | 0 |
Total | 35 | 4 (12) | 29 (82) | 2 (6) | 1/35 |
Cumulative total | 49 | 7 (14) | 37 (76) | 5 (10) | 2/49 |
Values in parentheses are percentages.
* Normal, physiological remodelling and abnormal as defined by transthoracic echocardiography.12
† Pathology confirmed on subsequent non-investigational testing.
HCM, hypertrophic cardiomyopathy; LAD, left axis deviation; LAE, left atrial enlargement; LBBB, left bundle branch block; LVH, left ventricular hypertrophy; Phys Remod, physiological remodelling; RAD, right axis deviation; RAE, right atrial enlargement; RBBB, right bundle branch block; RVH, right ventricular hypertrophy; TWI, T wave inversions.