1. Fireman Vascular Center, Massachusetts General Hospital, Boston, MA
2. Division of Cardiology, Corrigan Minehan Heart Center, Massachusetts General Hospital, Boston, MA
3. Department of Emergency Medicine, Center for Vascular Emergencies, Massachusetts General Hospital, Boston, MA
4. Cardiovascular Imaging, Department of Radiology, Massachusetts General Hospital, Boston, MA
5. Department of Medicine, Newton‐Wellesley Hospital, Newton, MA
6. Cardiovascular Performance Program, Division of Cardiology, Massachusetts General Hospital, Boston, MA