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Figure 1 Mechanism and Distribution of Re-Entrant Circuits
(A) Pie chart showing the frequency and location of macro–re-entrant atrial tachycardias (ATs). (B) Pie chart showing the frequency and location of small re-entrant ATs. AW = anterior wall; CS = coronary sinus; CTI = cavotricuspid isthmus; LSPV = around the left superior pulmonary vein; MI = mitral isthmus; PW = posterior wall; RI = right inferior; RS = right superior.
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