PMC3634255_01
Baseline electrocardiogram showing pre-excitation
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F1
ECG revealed short PR interval with delta wave [Figure 1], the accessory pathway was localized to right posterolateral area possibly.
Echocardiography before ablation showing dilation of left ventricle and dysynchrony between septal and lateral wall on the apical four chamber view
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F2
On tissue doppler imaging (TDI), there was delay of 60-70 ms from the septal to lateral wall [Figure 2].
Electrocardiogram after ablation showing normal PR segment
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F3
The pathway was mapped to the posteroseptal area of the tricuspid annulus and was successfully eliminated [Figure 3].
Echocardiography post ablation showing synchrony between the septal and lateral wall in the apical four chamber view
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F4
The immediate post-procedure echocardiogram revealed that there was no dysynchrony between the septal and lateral wall [Figure 4].