Epidemiology
A U.S. government report found there were 119 million emergency department visits in 2006, an increase of 36% from 1996. During this same ten year period of increased usage, the number of emergency departments decreased, from 4,019 to 3,833 and the rate of emergency department visits per 100 people in the U.S. rose from 34.2 to 40.5.
Read more about this topic: Emergency Medicine