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Medical Advancements of the 1920s

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by

Sam Gray

on 4 January 2013

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Transcript of Medical Advancements of the 1920s

Medical Advances 1920 1930 1922 insulin 1921 1924 1923 1925 1926 1927 1928 1929 oxygenated perfusion
fluid pernicious anemia treatment 1st respirator isolation of
acetylcholine & epinephrine valvulotome digital mitral
commissurotomy penicillin band aid Oxygenated Perfusion Fluid 1920 discovered by Charles Lindbergh oxygenated perfusion fluid with compressed oxygen gas Band Aid isolation of acetylcholine & epinephrine Insulin discovered by Frederick Banting and Charles Best regulates blood sugar by lowering its amount in the blood this is used by people with diabetes 1st respirator valvulotome digital mitral commissurotomy pernicious anemia treatment Penicillin before this people with diabetes had no treatment except strict diets of little sugar the strict diets or no treatment resulted in death Banting and Best discovered this by experiments which included removing pancreases from dogs it is now an effect treatment for diabetes patients allowing them to live normal, long lives in 1923 Banting was awarded a Nobel Prize this led to using this technology on tissues and organs to keep them alive outside the body 1920 1921 this is used now in organ transplants created by Philip Drinker known as the "iron lung" metal chamber containing the whole body except for the head created by Earl Dickson he created it for his wife because she was always cutting her hands worked at Johnson & Johnson which manufactured gauze and tape he used tape with a small piece of gauze in the center he originally sold these himself but later Johnson & Johnson manufactured it and titled them Band Aids discovered by Alexander Fleming first antibiotic at the time it was not approved by the FDA therefore was not popular or mass produced became a life saving drug that was widely used after WWI was effective antibiotic for treating a variety of bacteria surgical valve cutting device first used on 11 year old girl with a heart condition Henry Soutter performed the first digital surgery he used a camera to better see what he was performing surgery on he noticed blue-green mold on a Staphylococcus culture is still used today but many bacteria has built up a tolerance making it ineffective 1922 this was revolutionary to the people of this time because many caught polio and became paralyzed inside the chamber the pressure surrounding the lungs was changed forcing the lungs to intake and release air this was first tested on cats this was first used on an 8 year old girl who had polio which caused her respiratory paralysis improved version still used today and still sold by Johnson & Johnson kept unattached organs alive by circulating blood through them discovery of vitamin b12 deficiency causing pernicious anemia first treatment was eating liver discovered by George Whipple 1923 1925 1926 1929 1927 the first experiments were tested on dogs by feeding them liver in 1934 Whipple received a Nobel Peace Prize the first digital surgery the medical community didn't believe this was useful digital surgeries weren't used for awhile after that both were the first neurotransmitters to be discovered acetylcholine deals with heart tissue, heart rate, activates muscle, among other functions acetylcholine was identified by Henry Hallett Dale and confirmed by Otto Loewi both received a Nobel Prize in 1936 epinephrine is also a hormone it regulates heart rate, blood vessel and air passage diameters, and metabolic shifts, among other functions it is key in the fight or flight response it has many medical uses in asthma, allergic reactions, cardiac arrest, and in some local anesthetics it is a catheter-based instrument used mainly in cardiovascular surgeries Bibliography http://library.thinkquest.org/C005846/categories/science/science.htm http://www.encyclopedia.com/doc/1G2-3468300943.html http://www.healthcareglobal.com/top_ten/top-10-business/top-10-medical-inventions-and-discoveries http://www.nobelprize.org/educational/medicine/insulin/discovery-insulin.html http://www.britannica.com/EBchecked/topic/3318/acetylcholine http://www.britannica.com/EBchecked/topic/190049/epinephrine-and-norepinephrine http://organpreservation.org/pages/about/history.aspx http://herbarium.usu.edu/fungi/funfacts/penicillin.htm
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