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Anesthesia

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by

Gillian Bremer

on 1 December 2014

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Transcript of Anesthesia

Anesthesia
Gillian Bremer
Analgesia
Amnesia
Anesthesia
Before 1840s-alcohol and opiates
1844- Nitrous Oxide was discovered

Where did the first anesthetics come from?
Anesthesia in the Civil
War
1861-1865
25% of American soldiers
used some type of
anesthetic
William Morton was the first
military anesthesiologist
Types of Anesthesia
Local Regional General
Numbs a small area
numbs large regions
epidurals
inhalation anesthetics
entire body is unconscious
Theories
Lipid hypothesis
Protein hypothesis
Halogenated Ethers
Ether- an organic molecule that contains oxygen atom connected with two organic groups
Halogenated Ether- an ether in which one or more hydrogen atoms are replaced with halogen atoms
ex. fluorine, chlorine, bromine, iodine are halogen atoms



Isoflurane-Cf3CHIOCHF2
Desflurane-CF3CHFOCHF2
Sevoflurane-CF3CHCF3OCH2F

Today's most common general anesthetic


How it works
When the sensation of pain occurs, nerve cells send this message to the brain
Nerve cells exchange na+ and k+ ions
Anesthetics prevent na+ ions from going from one cell to the next
Anesthesia is
essential in
surgery



40 million people
in North America
undergo anesthetics
every year
Anesthesia
Gillian Bremer
Full transcript