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).

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