Research Article
Intravascular Lithotripsy for Calcium Modification in Chronic Total Occlusion Percutaneous Coronary Intervention
Figure 1
Calcium morphologies (concentric: smooth surfaced with reverberations consistent with thin calcium; eccentric: irregular surface with no reverberation consistent with thick calcium; nodule: luminal protrusion with irregular leading edge; pseudonodule: subintimal space expansion with displacement of calcified plaque and lumen).
(a) |
(b) |
(c) |
(d) |