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.
List of Washington area codes. The U.S. state of Washington currently has five telephone area codes. The first was area code 206 which at the time covered all the state. In 1957, the state was divided in half when area code 509 was created to cover Eastern Washington leaving 206 to cover Western Washington.