1. In asymptomatic patients, subclinical coronary atherosclerosis was associated with an eight-fold elevated risk for myocardial infarction (MI). 2. Patients with obstructive and extensive subclinical coronary atherosclerosis had the highest risk of MI. Evidence Rating Level: 1 (Excellent) Study Rundown: Subclinical coronary atherosclerosis can precede ischemic heart disease and evolve at an early age, many