Table 3.
DE | No DE | |
---|---|---|
Number of sites (n) | 855 | 905 |
Normal EGM | 25/366 (7%) | 341/366 (93%) |
Abnormal EGM | 408/926 (44%) | 518/926 (56%) |
Fractionated EGM | 319/360 (89%) | 41/360 (11%) |
EGM with IPs | 103/108 (95%) | 5/108 (5%) |
Critical VT sites | 31/31 | 0/31 |
Bipolar voltage (mV) | 0.74±0.84 | 3.05±2.58 |
Unipolar voltage (mV) | 3.84±2.51 | 9.16±3.80 |
Electrogram width (msec) | 119±69 | 80±31 |
Abbreviations: EGM= electrogram; IP= isolated potentials. The p values are all <0.0001.