PMC4326365_01
Illustration of the IRE electrode placed near the heart. A: Sagittal B-mode US image demonstrates that the IRE electrode (arrow) is placed in the periphery of the hypoechoic lesion (arrowheads) in segment 4. The distance from the electrode to the inferior border of the heart (asterisk) is 1.7 cm based on US measurement. B: Sagittal B-mode US image demonstrates that the IRE electrode (arrow) is placed in the periphery of the hypoechoic lesion (arrowheads) in segment 2. The distance from the electrode to the inferior border of the heart (asterisk) is 1.0 cm based on US measurement.
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PMC4326365_01_40064_2015_828_Fig1_HTML.jpg
Fig1
One of the three electrodes was placed very close to the heart, with minimum distances from the heart of 17 mm and 10 mm, respectively (Figure 1A, B).