Table 3 ECG characteristics comparison between VAs arising from MPSA and from PSCs
Origin | MPSA (n = 31) | PSCs (n = 75) | P |
|---|---|---|---|
RII (mV) | 2.32 ± 0.52 | 1.81 ± 0.58 | < 0.05 |
RIII (mV) | 2.36 ± 0.65 | 1.69 ± 0.55 | < 0.05 |
RaVF (mV) | 2.34 ± 0.58 | 1.74 ± 0.56 | < 0.05 |
RII+ RIII+ RaVF (mV) | 6.76 ± 1.38 | 4.62 ± 1.04 | < 0.05 |
V1 R/S | 0.21 ± 0.07 | 0.28 ± 0.05 | > 0.05 |
V2 R/S | 0.31 ± 0.12 | 0.35 ± 0.07 | > 0.05 |
Precordial transition zone | |||
< V3 | 7 (22.58%) | 15 (20.00%) | > 0.05 |
= V3 | 15 (48.39%) | 36 (48.00%) | > 0.05 |
> V3 | 9 (29.03%) | 24 (32.00%) | > 0.05 |
Precordial transition index | |||
> 0 | 12 (38.71%) | 26 (34.67%) | > 0.05 |
= 0 | 16 (51.61%) | 40 (53.33%) | > 0.05 |
< 0 | 3 (9.67%) | 9 (12.00%) | > 0.05 |