History 2 Flashcards
What/where did William Withering discover?
Plant could give assistance to congestive heart failure- learned from gypsy
What Plant give assistance congestive heart failure?
Foxglove flower
-helps heart pump enough blood
“Account of the Foxglove and its Medical Uses”-
Published by William Withering 1795
Erasmus Darwin (Charles Darwin’s Grandad)
Wills competitor- insisted his son get credit for the Foxglove discovery
-bad mouthing Will to public
Digoxin (Lanoxin)
modern version of Foxglove- low dosage to help heart pump blood
Digoxin problematic
for subset of heart issues such as A-fib (Atrial fibrillation)- 100 000 people studies- 20% dies earlier than with other med
Plague of Athens 430-427 BC- Similar Ebola Virus of recent yrs
medical mystery- onset abrupt with strong feverand foul breath- vomiting-skin blisters and ulcers- extreme diarrhea= rapid death 7th to 9th day
Sir William Osler- McGill Faculty of Medecine 1874
-Put both McGill and John’s Hopkins on the map for medecine
William Osler 1903
“The practice of medicine is an art, not a trade, a calling not a business, a calling in which your heart will be exercised equally with your head”
“Listen carefully to your patient. They will tell you the diagnosis”
Where are the remains of Sir William Osler?
8th floor of McGill’s medical building (since he was cremated)
greatest feature that distinguishes animals humans
desire to take medicine (osler)- not totally true as some animals eat certain plants when they feel ill
Helen Morrogh-Bernard of the Borneo Nature Foundation studied orangutans
Self medication- chew particular plant (Dracaena cantleyi) into a foamy lather and rub it into their fur- example of a non-human animal using a topical analgesic
(local people use the same plant)
Malaria
Parasite disease- 60 of the 380 species of Anopheline mosquit transmit the disease
Malaria consequences
slows econ growth of Africa by over 1% per year
-120 million deaths/year
1 million children
Malaria cure
Quinine (early cure) named after countess Anna de Chinchon- she was treated with this remedy (Wife Spanish Viceroy) -6% of the bark are alkaloids -70% comes from the bark -considered very important discovery -Europe unaware of this disease
Quinine that gives tonic water its bitterness
anti-malarial ingredient- used for centuries to ward off this deadly disease
(people would drink it with gin for the taste lol = ginto)
DDT
- first synthesized in 1874,
- recognized by Hermann Muller in 1939 as having insecticidal properties
Hermann Muller
Nobel Prize for medicine and Physiology 1948
DDT world war II
used to spray areas where mosquitos were, as well as people who were suffering from that as well as other insects (ticks)
DDT and birds
eggs after consuming DDT from lower level creatures in the food chain= shell break when lay on them :( = stop DDT in many countries
Silent Spring
book by Rachel Carson= led to lots of countries stop using DDT
DDT saved lives
500 million lives by 1996
DDT banned late 90s
caused a large malaria epidemic
Prevent malaria
insecticide treated nets were used
Dr Joseph Lister
used phenol as an anti-septic to kill bacteria (spraying it in the air)- eventually found out just had to wash hands to prevent infection
Docs no gloves/ no washing hands=
bacteria was being transmitted