Click on image to view larger version.

Figure 4 Mapping of the maximum tenting site in 12 patients with ischemic mitral regurgitation on a schematic leaflet. AL, AC, and AM indicate lateral, central, and medial side of the anterior leaflet; PL, PC, and PM indicate lateral, central, and medial side of the posterior leaflet, respectively. The site of the maximum tenting was located in the region of anterior leaflet in all 12 patients (4 in lateral side, 5 in central side and 3 in medial side).