Figure 4: Approach to Lateral Mitral Isthmus Ablation
LAA, left atrial appendage; LIPV, left inferior pulmonary vein; RIPV,
right inferior pulmonary vein; MA, mitral annulus; LOM, ligament of
Marshall; LSPV, left superior pulmonary vein; CS, coronary sinus; LA,
left atrium; DCR, direct current cardioversion; SR, sinus rhythm