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.
1 0011 - Exit code for Australia, and is needed for making any international call from Australia. 2  1 - ISD Code or Country Code of United States. 3  Area code-There are 291 area codes in United States. 4  If there is an area code dial area code of the city in United States you are calling after dialing ISD Code.