Anesthesia (alternative spelling
Anaesthesia) is the prevention of
consciousness or
sensation, usually by means of chemicals known as anesthetics (alternative spelling
anaesthetics). On
March 30,
1842 in
Jefferson, Georgia, Dr.
Crawford Williamson Long[?] was the first to use anesthesia during an operation;
ether was given to his wife during childbirth.
Anesthesia can be divided into