The canary in the coal mine of coronary artery disease.

284 Exceptional Longevity in Men: Modifiable Factors Associated With Survival and Function to Age 90 Years Laurel B. Yates, MD, MPH; Luc Djoussé, MD, MPH, DSc; Tobias Kurth, MD, ScD; Julie E. Buring, ScD; J. Michael Gaziano, MD, MPH 291 Use of Cardiac Catheterization for Non–ST-Segment Elevation Acute Coronary Syndromes According to Initial Risk: Reasons Why Physicians Choose Not to Refer Their Patients Cindy H. Lee, MD; Mary Tan, BSc; Andrew T. Yan, MD; Raymond T. Yan, MD; David Fitchett, MD; Etienne A. Grima, MSc; Anatoly Langer, MD, MSc; Shaun G. Goodman, MD, MSc; for the Canadian Acute Coronary Syndromes (ACS) Registry II Investigators