Iatrogenic Intramural Hematoma Identified by Intravascular Ultrasound Following Selective Angiography of the Left Internal Mammary Artery

This case reports on iatrogenic intramural hematoma of the left internal mammary artery (LIMA) identified on intravascular ultrasound. This case illustrates the importance of intravascular imaging to identify the presence and extent of an intraluminal hematoma that is not visualized on angiography and that was the cause of ischemic symptoms following LIMA injection. (Level of Difficulty: Advanced.).