Bail-out therapy in ST-segment elevation myocardial infarction due to calcified lesion causing stent underexpansion: Intravascular lithotripsy is in the lead.

A 52-year-old male was referred for an acute anterior ST-segment elevation myocardial infarction (STEMI). Coronary angiography revealed an acute left anterior descending artery occlusion. The patient was treated with a drug-eluting stent (DES).