TCTAP C-052 Rotational Atherectomy on Calcified Unprotected Left Main Bifurcation Lesion with Severe Left Ventricular Dysfunction

### Patient Initials or Identifier Number SDFL ### Relevant Clinical History and Physical Exam A 78-year-old lady was admitted to another hospital due to acute non-ST-elevation myocardial infarction 9 days ago. She underwent coronary angiography that showed calcified left main with the triple-