Pain Flashcards
What were the problems affecting surgery in the 1840s?
- Crowds
- Dirty
- No pain relief
- Infection
Who discovered nitrous oxide?
Humphrey Davey, 1799
What did nitrous oxide do?
Inhaling the laughing gas made you LESS aware of pain
However
It did not knock you out
Who discovered ether?
John Collins-Warren + Robert Liston 1846
What were the benefits of ether?
The effects of ether were more long lasting than nitrous oxide
It produced a deep sleep that could last for days
What were the limitations of ether?
It made patients cough and vomit
Heavy bottles
Highly flammable -> could cause explosions in surgery
Overall, difficult working conditions for surgeons due to coughing of patient
Who discovered chloroform in 1847?
James Simpson
What did John Snow invent?
The chloroform inhaler in 1847
What were the benefits of chloroform?
Chloroform knocked out patients effectively so they could complete more complex surgeries
Why was the chloroform inhaler important?
The wrong dosage of chloroform could kill you, the inhaler allowed the dosage to be regulated
Who was James Simpson as a person?
Simpson was a professor of midwifery at Edinburgh university and he wanted to find a way to relief pain during childbirth
He disliked ether due to its flammability, smell, and coughing
He hosted dinner parties to test out drugs
Why was 1847 - 67 known as the Black Period Of Surgery?
Chloroform enabled more complex surgeries, which meant infections were carried deeper into the body
There was also more blood loss
Extremely high death rate due to infection
Why did people oppose Simpson and his discovery?
Black period of surgery Speed Hannah Greener Dosage Religion
Why did surgical speed cause opposition to Simpson?
Speed was something many surgeons prided themselves on / had become famous for
With anaesthetics, speed was no longer necessary
Who died in 1848 due to a misdosage of chloroform?
Hannah Greener died in 1848 after having surgery to remove a toenail
She died due to the wrong amount of chloroform being used
This caused surgeons to be afraid of using chloroform