Commotio cordis is defined as a cardiac concussion with significant electrical disturbance when force is applied to the thorax during a vulnerable phase of ventricular repolarization. Commotio Cordis is the second highest cause of death in athletes.
As of June 1, 2013, there are 293 area codes in service in the 50 states, plus 1 for DC and 6 for various external territories of the United States (Puerto Rico, U.S. Virgin Iâ¦slands, Guam, American Samoa, and the Northern Mariana Islands), plus 10 more that are scheduled to be added in the coming months.
There are actually only 10 digits in a US phone number. 1 is the country code and they all share that. The answer above me is clearly wrong. Yes there are some excluded area codes, but there are more than 10 million people in just some of the states. Often some people have more than 1 number, I had 3 at one point.