Silver Book Fact
In 2009, there were 12,826,000 physician office visits, 639,000 emergency department visits, and 589,000 outpatient department visits with a primary diagnosis of coronary heart disease.
Roger V, Go A, Lloyd-Jones D, Benjamin E, et al. Heart Disease and Stroke Statistics–2012 Update. Circ. 2012; 125(1): e2-e220. http://circ.ahajournals.org/content/125/1/e2