Pain Flashcards
When was nitrous oxide discovered?
1799
Who discovered nitrous oxide?
Humphrey Davy
What are the benefits and limitations of nitrous oxide?
Benefits:
- Makes you less aware of pain
Limitations:
- Doesn’t knock the patient out
When was ether discovered?
1846
Who discovered ether?
William Morton
What are the benefits and limitations of ether?
Benefits:
- More long lasting pain relief
Limitations:
- Sometimes made patients vomit
- Flammable
- Irritated the lungs which made conditions of surgery difficult
- Only deep sleep, not unconscious
When was chloroform discovered?
1847
Who discovered chloroform?
James Simpson
What were the benefits and limitations of chloroform?
Benefits:
- Knocks the patient out and allowed for more complex surgeries
Limitations:
- No way of controlling the dosage
- Affected the heart, some patients died
Who was James Simpson?
A professor of midwifery at the University of Edinburgh
When did Hannah Greener die and why?
Hannah Greener died in 1848 due to the incorrect dosage of chloroform
When was John Snow’s inhaler discovered?
1848
What was John Snow’s inhaler?
It regulated the dosage of chloroform and reduced the number of deaths
How quickly could Robert Liston perform an amputation?
28 seconds
Why did people oppose chloroform?
- The death of Hannah Greener
- Surgeons no longer had a need to be fast
- Religion
- The Black Period of Surgery
- Dosage
