ECGs pre-TAVR and post-TAVR
| All patients | Control | LBBB | RVP | |
| Heart rate pre-TAVR (bpm) | 72.4±4 | 77.2±9 | 72.2±5 | 67.5±4 |
| Heart rate post-TAVR (bpm) | 72.6±3 | 68.7±4.2 | 75.2±7 | 73.9±4 |
| P value pre-TAVR vs post-TAVR | 0.9 | 0.3 | 0.7 | 0.009 |
| QRS complex duration pre-TAVR (ms) | 104.6±3 | 97.4±3 | 101.3±6 | 116.2±7 |
| QRS complex duration post-TAVR (ms) | 134.6±5 | 97.6±3 | 146.9±6 | 161.8±5 |
| P value pre-TAVR vs post-TAVR | 0.0000007 | 0.9 | 0.000001 | 0.0002 |
| RWH pre-TAVR (μV) | 338.0±24 | 298.4±48 | 384.0±39 | 331.9±33 |
| RWH post-TAVR (μV) | 407.8±33 | 307.8±51 | 428.8±45 | 494.8±66 |
| P value pre-TAVR vs post-TAVR | 0.05 | 0.9 | 0.4 | 0.01 |
| TWH pre-TAVR (μV) | 143.0±13 | 104.4±18 | 164.4±18 | 161.8±28 |
| TWH post-TAVR (μV) | 256.2±31 | 108.7±21 | 329.7±60 | 337.5±40 |
| P value pre-TAVR vs post-TAVR | 0.0002 | 0.8 | 0.01 | 0.001 |
LBBB, left bundle branch block; RVP, right ventricular paced rhythm; RWH, R-wave heterogeneity; TAVR, transcatheter aortic valve replacement; TWH, T wave heterogeneity.