This educational video explains the crucial operative steps in completing a transaortic septal myectomy for the treatment of hypertrophic obstructive cardiomyopathy. Shown in this video is the presentation of a 48-year-old male with symptoms of exercise intolerance and fatigue. He was found to have asymmetric septal hypertrophy along with chordal systolic anterior motion with preserved left ventricular function. The authors present a detailed step-by-step presentation on the operative steps in performing a transaortic septal myectomy, followed by the patient’s postoperative course.
