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1. Corrections to Electrical Injuries

   • Eric H. Stern, M.D.

   Mount Sinai School of Medicine

   I believe that two of the items in the fine review by Spies and Trohman need to be corrected:

   Current (in amperes) is the FLOW (or flow rate) not the AMOUNT of electrons. The unit of quantity or amount of electrons (or electric charge) is the Coulomb, a unit rarely seen by physicians. Thus, a Coulomb is the amount of electric charge as a result of a current of 1 ampere flowing for 1 second.

   Although DC can be used for power transmission (particularly at extremely high voltage), most of the power transmission lines in the USA are AC, not DC.

   Conflict of Interest:

   None declared

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   Published October 9, 2006