Medicine Unit 3 Flashcards
What was the germ theory?
The idea that disease is spread by microorganisms that exist and cause matter to decay
Who published and discovered the germ theory?
Louis Pasteur
When was the Germ theory published?
1861
What are reasons why Pasteur had a significant impact on the development of medicine?
He published the germ theory - allowed for many discoveries and still believed today
He developed vaccinations for cholera, anthrax and rabies with help from the French (they gave him money) STILL USED TODAY
Inspired many other scientists e.g. Robert Koch and Paul Ehrlich
‘Father of microbiology’
What are reasons why Pasteur didn’t have a significant impact on the development of medicine?
His ideas were ridiculed by some scientists
His ideas weren’t immediately accepted in Britain
Koch had a greater impact on the development of treatments and preventions of bacteria
Lister publicised germ theory - he was able to make it more accepted in Britain
Who was Robert Koch?
A German doctor who built on Pasteurs germ theory
What are reasons why Koch had a significant impact on the development of medicine?
He carried out experiment
By the end of the 19th century, he found causes of many disease e.g. cholera, TB, smallpox and plague
Who was Paul Ehrilch?
A German doctor that worked with Robert Koch
What are reasons why Ehrlich had a significant impact on the development of medicine?
He discovered ‘magic bullets’
What were ‘magic bullets’?
Chemical cures for bacterium
Who was Louis Pasteur?
A French doctor who carried out a series of experiments to discover the germ theory
How did Pasteur discover that microorganisms could be killed by heat?
Pasteurisation - he heated foodstuffs which stop them from going off
What is an anaesthetic?
Any substance that makes the body insensitive to pain
What were some anaesthetics used in 1800s-1900s?
Opium
Mandrake root
Nitrous oxide
Alcohol
Chloroform
When was nitrous oxide discovered? By who?
1775 by Thomas Beddoes and Humphry Davy
How was nitrous oxide discovered to be an anaesthetic?
Humphry Davy inhaled the gas which made him laugh, feel giddy and also relaxed
What was the positives of the discovery of nitrous oxide as an anaesthetic?
Reduced surgery anxiety
It worked at its time
It was the first anaesthetic discovered in a long time
What was the negatives of the discovery of nitrous oxide as an anaesthetic?
It failed to convince doctors
People so it as a fun thing not a medical anaesthetic - dangerous
It’s classes as a drug now as it was addictive
When and where was ether discovered to be an anaesthetic? By who?
1842 by William Clark in America
When did Clark give a public demonstration of ether? What was the impact of this?
1846 - did a public demonstration in Boston which helped his ideas spread to Europe
Who tried ether first? When? What did he call ether?
Robert Liston tried ether in a leg amputation - called it ‘Yankee Dodge’
What was the positives of the discovery of ether as an anaesthetic?
It was affective
Allowed for the patient to be induced to sleep
The patient felt no pain at all
What was the negatives of the discovery of ether as an anaesthetic?
It caused vomiting
It was highly flammable - surgeries were done at home by open fires which was dangerous
When was chloroform discovered to be an anaesthetic? By who?
1847 by James Simpson
How was chloroform discovered to be an anaesthetic?
By accident - one of Simpsons friends knocked over a bottle of chloroform when they were testing substances and all of them were then found asleep
What was the positives of the discovery of chloroform as an anaesthetic?
1850 - Queen Victoria had a difficult labour and used chloroform
1853 - John Snow used chloroform on Queen Victoria whilst giving birth to price leopold
Had royal support
What was the negatives of the discovery of chloroform as an anaesthetic?
Some patients died when using it when it was first introduced e.g. Hannah Greener 1848
Men and women of different sizes needed different amounts
There were objections by other doctors and also religious objects as it removed the pain of giving birth
What are reasons why Simpson had a significant impact on the development of anaesthetics?
He discovered chloroform in 1847
He had royal support
Chloroform was used as an anaesthetic for many years
What are reasons why Simpson didn’t have a significant impact on the development of anaesthetics?
Chloroform was discovered to have many side effects e.g. liver disease
There were objection by many people
Some died as they were given too much