Commotio cordis. Commotio cordis (Latin, agitation of the heart) is an often lethal disruption of heart rhythm that occurs as a result of a blow to the area directly over the heart (the precordial region), at a critical time during the cycle of a heart beat causing cardiac arrest.
A ZIP Code is a five digit number that identifies a specific geographic mail delivery area. The acronym ZIP refers to Zone Improvement Plan, a plan implemented by the USPS in the early 1960âs to improve the sorting and delivery of mail. There are approximately 43,000 ZIP Codes in the United States.
1 Area code-There are 291 area codes in United States. 2  If there is an area code dial area code of the city in United States you are calling after dialing ISD Code. 3  If there is no area code dial the Recipient's Telephone Number after ISD Code. Area code-There are 291 area codes in United States. 2  If there is an area code dial area code of the city in United States you are calling after dialing ISD Code. 3  If there is no area code dial the Recipient's Telephone Number after ISD Code.