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.
How many numbers are in zip code? Answer:Five or Nine. Some zip codes have only five numbers, but, there are a few that have nine numbers because the area is so big and has so many addresses in it. A five digi â¦ t zip code will look like this: 12345. A nine digit zip code will look like this: 12345-6789.