Baseline characteristics of patients with AT of difficult-to-predict origin on the ECG algorithms
| AT origin . | LSPV . | LAA . | P . | RSPV . | SVC . | P . |
|---|---|---|---|---|---|---|
| Number of patients | 24 | 5 | 14 | 8 | ||
| Number of patients with 12-lead ECGa | 22 | 5 | 9 | 3 | ||
| Age (years) | 57 (45, 65.25) | 25 (12, 47) | 0.027 | 44 (26.25, 50.5) | 34.5 (27.75, 42.5) | 0.837 |
| Male sex | 17 (70.8%) | 2 (40%) | 0.306 | 7 (50%) | 5 (62.5%) | 0.675 |
| P-wave | ||||||
| V1 (+) | 22 (100%) | 5 (100%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| Biphasic V1/aVL | 0 (0%) | 0 (0%) | 1.0 | 0 (0%) | 2 (66.7%) | 0.022 |
| II/III/aVF (+) | 22 (100%) | 5 (100%) | 1.0 | 7 (77.8%) | 3 (100%) | 0.378 |
| I/aVL (+) | 0 (0%) | 0 (0%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| I/aVL (−) | 19 (86.4%) | 5 (100%) | 0.553 | 0 (0%) | 0 (0%) | 1.0 |
| Clinical features | ||||||
| Incessant | 0 (0%) | 5 (100%) | <0.001 | 0 (0%) | 1 (12.5%) | 0.364 |
| Combined AF | 22 (91.7%) | 0 (0%) | <0.001 | 2 (14.3%) | 1 (12.5%) | 1.0 |
| On-and-off | 0 (0%) | 0 (0%) | 1.0 | 13 (92.9%) | 4 (50%) | 0.039 |
| TICMP | 1 (4.2%) | 2 (40%) | 0.068 | 0 (0%) | 0 (0%) | 1.0 |
| None | 2 (8.33%) | 0 (0%) | 0.511 | 1 (7.1%) | 3 (37.5%) | 0.083 |
| AT origin . | LSPV . | LAA . | P . | RSPV . | SVC . | P . |
|---|---|---|---|---|---|---|
| Number of patients | 24 | 5 | 14 | 8 | ||
| Number of patients with 12-lead ECGa | 22 | 5 | 9 | 3 | ||
| Age (years) | 57 (45, 65.25) | 25 (12, 47) | 0.027 | 44 (26.25, 50.5) | 34.5 (27.75, 42.5) | 0.837 |
| Male sex | 17 (70.8%) | 2 (40%) | 0.306 | 7 (50%) | 5 (62.5%) | 0.675 |
| P-wave | ||||||
| V1 (+) | 22 (100%) | 5 (100%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| Biphasic V1/aVL | 0 (0%) | 0 (0%) | 1.0 | 0 (0%) | 2 (66.7%) | 0.022 |
| II/III/aVF (+) | 22 (100%) | 5 (100%) | 1.0 | 7 (77.8%) | 3 (100%) | 0.378 |
| I/aVL (+) | 0 (0%) | 0 (0%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| I/aVL (−) | 19 (86.4%) | 5 (100%) | 0.553 | 0 (0%) | 0 (0%) | 1.0 |
| Clinical features | ||||||
| Incessant | 0 (0%) | 5 (100%) | <0.001 | 0 (0%) | 1 (12.5%) | 0.364 |
| Combined AF | 22 (91.7%) | 0 (0%) | <0.001 | 2 (14.3%) | 1 (12.5%) | 1.0 |
| On-and-off | 0 (0%) | 0 (0%) | 1.0 | 13 (92.9%) | 4 (50%) | 0.039 |
| TICMP | 1 (4.2%) | 2 (40%) | 0.068 | 0 (0%) | 0 (0%) | 1.0 |
| None | 2 (8.33%) | 0 (0%) | 0.511 | 1 (7.1%) | 3 (37.5%) | 0.083 |
AF, atrial fibrillation; AT, atrial tachycardia; LAA, left atrial appendage; LSPV, left superior pulmonary vein; RSPV, right superior pulmonary vein; SVC, superior vena cava; TICMP, tachycardia-induced cardiomyopathy.
aThe number of patients with AT on 12-lead ECG.
Baseline characteristics of patients with AT of difficult-to-predict origin on the ECG algorithms
| AT origin . | LSPV . | LAA . | P . | RSPV . | SVC . | P . |
|---|---|---|---|---|---|---|
| Number of patients | 24 | 5 | 14 | 8 | ||
| Number of patients with 12-lead ECGa | 22 | 5 | 9 | 3 | ||
| Age (years) | 57 (45, 65.25) | 25 (12, 47) | 0.027 | 44 (26.25, 50.5) | 34.5 (27.75, 42.5) | 0.837 |
| Male sex | 17 (70.8%) | 2 (40%) | 0.306 | 7 (50%) | 5 (62.5%) | 0.675 |
| P-wave | ||||||
| V1 (+) | 22 (100%) | 5 (100%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| Biphasic V1/aVL | 0 (0%) | 0 (0%) | 1.0 | 0 (0%) | 2 (66.7%) | 0.022 |
| II/III/aVF (+) | 22 (100%) | 5 (100%) | 1.0 | 7 (77.8%) | 3 (100%) | 0.378 |
| I/aVL (+) | 0 (0%) | 0 (0%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| I/aVL (−) | 19 (86.4%) | 5 (100%) | 0.553 | 0 (0%) | 0 (0%) | 1.0 |
| Clinical features | ||||||
| Incessant | 0 (0%) | 5 (100%) | <0.001 | 0 (0%) | 1 (12.5%) | 0.364 |
| Combined AF | 22 (91.7%) | 0 (0%) | <0.001 | 2 (14.3%) | 1 (12.5%) | 1.0 |
| On-and-off | 0 (0%) | 0 (0%) | 1.0 | 13 (92.9%) | 4 (50%) | 0.039 |
| TICMP | 1 (4.2%) | 2 (40%) | 0.068 | 0 (0%) | 0 (0%) | 1.0 |
| None | 2 (8.33%) | 0 (0%) | 0.511 | 1 (7.1%) | 3 (37.5%) | 0.083 |
| AT origin . | LSPV . | LAA . | P . | RSPV . | SVC . | P . |
|---|---|---|---|---|---|---|
| Number of patients | 24 | 5 | 14 | 8 | ||
| Number of patients with 12-lead ECGa | 22 | 5 | 9 | 3 | ||
| Age (years) | 57 (45, 65.25) | 25 (12, 47) | 0.027 | 44 (26.25, 50.5) | 34.5 (27.75, 42.5) | 0.837 |
| Male sex | 17 (70.8%) | 2 (40%) | 0.306 | 7 (50%) | 5 (62.5%) | 0.675 |
| P-wave | ||||||
| V1 (+) | 22 (100%) | 5 (100%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| Biphasic V1/aVL | 0 (0%) | 0 (0%) | 1.0 | 0 (0%) | 2 (66.7%) | 0.022 |
| II/III/aVF (+) | 22 (100%) | 5 (100%) | 1.0 | 7 (77.8%) | 3 (100%) | 0.378 |
| I/aVL (+) | 0 (0%) | 0 (0%) | 1.0 | 9 (100%) | 3 (100%) | 1.0 |
| I/aVL (−) | 19 (86.4%) | 5 (100%) | 0.553 | 0 (0%) | 0 (0%) | 1.0 |
| Clinical features | ||||||
| Incessant | 0 (0%) | 5 (100%) | <0.001 | 0 (0%) | 1 (12.5%) | 0.364 |
| Combined AF | 22 (91.7%) | 0 (0%) | <0.001 | 2 (14.3%) | 1 (12.5%) | 1.0 |
| On-and-off | 0 (0%) | 0 (0%) | 1.0 | 13 (92.9%) | 4 (50%) | 0.039 |
| TICMP | 1 (4.2%) | 2 (40%) | 0.068 | 0 (0%) | 0 (0%) | 1.0 |
| None | 2 (8.33%) | 0 (0%) | 0.511 | 1 (7.1%) | 3 (37.5%) | 0.083 |
AF, atrial fibrillation; AT, atrial tachycardia; LAA, left atrial appendage; LSPV, left superior pulmonary vein; RSPV, right superior pulmonary vein; SVC, superior vena cava; TICMP, tachycardia-induced cardiomyopathy.
aThe number of patients with AT on 12-lead ECG.
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