Table 4.
Before MR | After MR | P* | |
---|---|---|---|
P-wave amplitude (mV) | 2.87 ± 1.86 | 3.10 ± 1.70 | 0.32 |
R-wave amplitude (mV) | 12.27 ± 5.32 | 12.05 ± 5.44 | 0.59 |
Atrial lead impedance (Ohm) | 469 ± 61 | 468 ± 65 | 0.65 |
Ventricular lead impedance (Ohm) | 601 ± 120 | 603 ± 118 | 0.57 |
Atrial PCT (V@0.4 ms) | 0.66 ± 0.25 | 0.66 ± 0.20 | 1.0 |
Ventricular PCT (V@0.4 ms) | 0.63 ± 0.26 | 0.55 ± 0.28 | 0.1 |
Battery voltage (V) | 2.97 ± 0.42 | 2.97 ± 0.42 | n.a. |
CMR Cardiovascular magnetic resonance, PCT Pacing capture threshold, *Wilcoxon signed rank test