First 152 words of the document:
1799 Humphrey Davy discovered laughing gas (nitrous oxide)
1844 horace wells(american) used nitrous oxide to pull out teeth.
(did not work on 10% of people)
1846 ether was used by william morton to remove a growth from
a patients neck.
(it knocked the patient out, could leave them in a very deep sleep.
Could explode to naked flame. Could make patients cough and vomit)
1847 James simpson used chloroform in a operation.
(had previously experimented with chloroform & it knocked him out.
It was difficult to get dosage correct. Too little patient felt pain. Too
much patient could die (hannah greener))
1848 John snow invented a chloroform inhaler that regulated
1853 john snow used chloroform to help Queen victoria give birth.
1884 cocaine was used as an anaesthetic but it was very addictive
1905 Novocaine a more powerful version was first used.
Other pages in this set
Here's a taster:
Pasteurs germ theory
1861 Lister became a surgeon at Glasgow royal infirmary
1864 Lister found that carbolic acid was used to kill parasites
1867 Listers ward had been free from sepsis for 9 months
1878 Koch discovered the mocrobe that caused blood poisoning .…read more
Here's a taster:
Karl Landsteiner blood groups (A,B &O. AB was added later in
1915- Richard Lewison found that adding sodium citrate stopped
blood clotting which meant it could be stored. (donors no longer
had to be present).
Richard weil then created refrigerated containers which kept the
blood for longer.
1916- Francis Rous and James Turner found that adding a glucos
solution kept the blood even longer.
1917- first blood depot in cambrai. It only used blood group O which
everyone can use.…read more