Fehmi Keçe

Chapter 8 166 Figure 1. Box lesion area surface measurement. Box Surface area measurement on electroanatomical maps in Ensite. Panel A: a posteroanterior view of the posterior wall of the left atrium with an example of a small box surface ratio (Box surface area 16.0 cm², Total LA surface area on CT 203.0 cm² measured in CARTO, box surface ratio: 0.08). Panel B: a posteroanterior view of the posterior wall of the left atrium with an example of a large box surface ratio (Box surface area 25.5 cm², Total LA surface area on CT 184.9 cm², box surface ratio: 0.14).