busiest emergency departments in the us
Los Angeles County-USC Medical Center is often described as the busiest emergency department in the country, and for good reason: In 2010, it averaged about 160,000 patient visits per year [source: Ostrov]. Since Los Angeles County is the most populous in the United States, there are a lot of patients to be had. Los Angeles County-USC also holds the distinction of being the busiest Level I trauma center in the nation [source: Newton].