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{{short description|British physician}}
{{Use dmy dates|date=June 2014}}
{{Use dmy dates|date=June 2014}}
{{Infobox medical person
{{Infobox medical person
|name = Mary Broadfoot Walker
|name = Dr. Mary Broadfoot Walker
|image = Mary Broadfoot Walker 1920s.jpg
|image = Mary Broadfoot Walker 1920s.jpg
|image_size =
|image_size =
|alt =
|alt = Black and white portrait photograph of Dr Mary Broadfoot Walker in the 1920s
|caption = Mary Walker in the 1920s
|caption = Dr Mary Walker in the 1920s
|birth_date = 1888
|birth_date = {{birth date|1888|04|17|df=y}}
|birth_place = Croft-an-Righ, [[Wigtown]], [[Scotland]]
|birth_place = Croft-an-Righ, [[Wigtown]], [[Scotland]]
|death_date = 13 September 1974 (aged 86)
|death_date = {{death date and age|1974|09|13|1888|04|17|df=y}}
|death_place =
|death_place =
|profession = [[Physician]]
|profession = [[physician]]
|specialism =
|specialism =
|research_field = [[Myasthenia gravis]]<br />[[Hypokalemic periodic paralysis|Familial periodic paralysis]]
|research_field = [[Myasthenia gravis]]<br />[[Hypokalemic periodic paralysis|Familial periodic paralysis]]
|known_for = Treatment of myasthenia with [[physostigmine]]<br />Association of familial periodic paralysis and [[hypokalaemia]]
|known_for = Treatment of myasthenia gravis with [[physostigmine]]<br />Association of familial periodic paralysis and [[hypokalaemia]]
|years_active = 1913–1974
|years_active = 1913–1974
|education = Glasgow & Edinburgh Medical College for Women
|education = [[University of Edinburgh]]<br/>[[Edinburgh College of Medicine for Women]]
|work_institutions = St. Alfege's Hospital, Greenwich<br />St. Leonard's Hospital, Shoreditch<br />St. Francis' Hospital, Dulwich<br />St. Benedict's Hospital, Tooting<br />[[Glasgow Royal Maternity Hospital|Glasgow Royal Maternity & Women's Hospital]]
|work_institutions = [[St Alfege's Hospital]], Greenwich<br />[[St Leonard's Hospital, Hackney|St Leonard's Hospital]], Shoreditch<br />St Francis' Hospital, Dulwich<br />[[St Benedict's Hospital]], Tooting<br />[[Princess Royal Maternity Hospital|Glasgow Royal Maternity and Women's Hospital]]
|prizes = Jean Hunter Prize, 1962<br />([[Royal College of Physicians]])
|prizes = [[Royal College of Physicians]] Jean Hunter Prize (1962)
|relations =
|relations =
|signature =
|signature =
}}
}}
'''Mary Broadfoot Walker''' (1888 – 13 September 1974) was a British physician who first demonstrated the effectiveness of [[physostigmine]] in the treatment of the condition [[myasthenia gravis]].
'''Mary Broadfoot Walker''' (17 April 1888 – 13 September 1974) was a Scottish physician who first demonstrated the effectiveness of [[physostigmine]] in the treatment of the condition [[myasthenia gravis]], a disease relating to muscle weakness. She was also the first to recognise the association between [[Hypokalemic periodic paralysis|familial periodic paralysis]] and [[Hypokalemia|low blood potassium levels]].


== Early life and education ==
== Biography ==
Mary Walker was born at Croft-an-Righ, [[Wigtown]], [[Scotland]] in 1888. The eldest of four children, her father was a solicitor. After school, she trained in medicine at the [[Edinburgh College of Medicine for Women]], and like most of the college's students, she received much of her clinical teaching in [[Glasgow]]. She graduated [[Bachelor of Medicine, Bachelor of Surgery|MB ChB]] from the [[University of Edinburgh Medical School|University of Edinburgh]] in 1913.<ref name=":0" />
⚫
Mary Walker was born at Croft-an-Righ, [[Wigtown]], [[Scotland]] in 1888, one of four children and the daughter of a Judge. After school she trained in medicine at Glasgow & Edinburgh Medical College for Women, graduating with MBChB in 1913. During the First World War she served with the [[Royal Army Medical Corps]] at the 63rd General Hospital, [[Malta]].<ref>{{cite journal |author=Pearce JM |title=Mary Broadfoot Walker (1888–1974): a historic discovery in myasthenia gravis |journal=Eur. Neurol. |volume=53 |issue=1 |pages=51–3 |year=2005 |pmid=15746548 |doi=10.1159/000084268}}</ref> In 1920 she became a salaried Assistant Medical Officer in [[Poor Law|"Poor Law Service"]] at St. Alfege's Hospital, Greenwich, London, where she worked until 1936.<ref>{{cite journal |author=Johnston JD |title=Mary Broadfoot Walker (1888–1974) |journal=J. Neurol. |volume=254 |issue=9 |pages=1306–7 |date=September 2007 |pmid=18000738 |doi=10.1007/s00415-007-0663-z}}</ref> During this time she was awarded [[Membership of the Royal College of Physicians]], London, in 1932. She then worked at St. Leonard's Hospital, Shoreditch, St. Francis' Hospital, Dulwich and St. Benedict's Hospital, Tooting, before retiring to Croft-an-Righ in 1954.


==Career and research==
⚫
In 1934, while working at St. Alfege's Hospital, Dr. Walker discovered that the subcutaneous injection of physostigmine could temporarily reverse the muscle weakness found in patients suffering from myasthenia gravis. She had noted that the symptoms and signs of myasthenia were similar to those found in [[curare]] poisoning, and physostigmine was used as an antidote to curare poisoning at that time.<ref>{{cite web |url=http://www.mgauk.org/mganews/0203-02.htm |title=Dr Mary Walker – A Pioneer in the Treatment of Myasthenia Gravis |work=MG -association UK |accessdate=23 November 2008}}</ref> The first case of myasthenia gravis successfully treated with physostigmine was published in ''[[the Lancet]]'' in June 1934.<ref>{{cite journal | author=Walker MB | title=Treatment of myasthenia gravis with physostigmine | journal=Lancet | year=1934 | volume=1 | pages=1200–1201 | doi=10.1016/S0140-6736(00)94294-6 | issue=5779}}</ref>
⚫
During the [[World War I|First World War]], she served with the [[Royal Army Medical Corps]] at the 63rd General Hospital, [[Malta]].<ref>{{cite journal |author=Pearce JM |title=Mary Broadfoot Walker (1888–1974): a historic discovery in myasthenia gravis |journal=Eur. Neurol. |volume=53 |issue=1 |pages=51–3 |year=2005 |pmid=15746548 |doi=10.1159/000084268|doi-access= }}</ref> In 1920 she became a salaried [[Assistant medical officer|Assistant Medical Officer]] in [[Poor Law|"Poor Law Service"]] at [[St Alfege's Hospital]], Greenwich, London, where she worked until 1936.<ref>{{cite journal |author=Johnston JD |title=Mary Broadfoot Walker (1888–1974) |journal=J. Neurol. |volume=254 |issue=9 |pages=1306–7 |date=September 2007 |pmid=18000738 |doi=10.1007/s00415-007-0663-z|s2cid=29210895 }}</ref> In 1932, she was awarded [[Membership of the Royal College of Physicians]]. She then worked at [[St Leonard's Hospital, Hackney|St Leonard's Hospital]], Shoreditch, [[St. Francis Hospital (Dulwich)|St. Francis' Hospital]], Dulwich and [[St Benedict's Hospital]], Tooting.{{citation needed|date=June 2023}}


⚫
In 1934, while working at St Alfege's Hospital, Walker discovered that the [[subcutaneous injection]] of [[physostigmine]] could temporarily reverse the muscle weakness found in patients with [[myasthenia gravis]]. She had noted that the symptoms and signs of myasthenia were similar to those found in [[curare]] poisoning, and physostigmine was used as an [[antidote]] to curare poisoning at that time.<ref>{{cite web |url=http://www.mgauk.org/mganews/0203-02.htm |title=Dr Mary Walker – A Pioneer in the Treatment of Myasthenia Gravis |work=MG -association UK |accessdate=23 November 2008}}</ref> The first case of myasthenia gravis successfully treated with physostigmine was published in ''[[the Lancet]]'' in June 1934.<ref>{{cite journal | author=Walker MB | title=Treatment of myasthenia gravis with physostigmine | journal=Lancet | year=1934 | volume=1 | pages=1200–1201 | doi=10.1016/S0140-6736(00)94294-6 | issue=5779}}</ref>
⚫
In 1935 Mary Walker was the first to recognise the association between the condition [[Hypokalemic periodic paralysis|familial periodic paralysis]] and [[hypokalaemia]] (low blood potassium levels).<ref>{{cite journal | author=Walker MB | title=Potassium chloride in myasthenia gravis | journal=Lancet | year=1935 | volume=2 | pages=47 | doi=10.1016/S0140-6736(01)09382-5 | issue=5836}}</ref> She also described the glucose challenge test used in diagnosing hypokalaemic periodic paralysis and the use of intravenous potassium in its treatment.<ref>{{cite journal | author=Aitken RS, Allot EN, Gastelden LIM, Walker MB | title=Observations on a case of familial periodic paralysis | journal=Clin Sci | year=1937 | volume=3 | pages=47–57}}</ref> During 1935 her research on myasthenia was incorporated into her MD thesis which was submitted via the [[University of Edinburgh]], and for which she received a Gold Medal.<ref>{{cite book | title=Edinburgh University Calendar 1937–1938 | pages=581 | publisher=James Thin | location=Edinburgh | year=1937}}</ref>


⚫
In 1935, Walker was the first to recognise the association between the condition [[Hypokalemic periodic paralysis|familial periodic paralysis]] and [[hypokalaemia]] (low blood potassium levels).<ref>{{cite journal | author=Walker MB | title=Potassium chloride in myasthenia gravis | journal=Lancet | year=1935 | volume=2 | pages=47 | doi=10.1016/S0140-6736(01)09382-5 | issue=5836}}</ref> She also described the glucose challenge test used in diagnosing hypokalaemic periodic paralysis and the use of intravenous potassium in its treatment.<ref>{{cite journal |vauthors=Aitken RS, Allot EN, Gastelden LI, Walker MB | title=Observations on a case of familial periodic paralysis | journal=Clin Sci | year=1937 | volume=3 | pages=47–57}}</ref> During 1935, her research on myasthenia was incorporated into her [[Doctor of Medicine|MD]] thesis which was submitted via the [[University of Edinburgh]],<ref>{{Cite journal|last=Broadfoot|first=Walker, Mary|date=1935|title=Contribution to the study of Myasthenia Gravis|hdl=1842/19381|url=https://www.era.lib.ed.ac.uk/handle/1842/19381|language=en}}</ref> and for which she received a gold medal.<ref>{{cite book | title=Edinburgh University Calendar 1937–1938 | pages=581 | publisher=James Thin | location=Edinburgh | year=1937}}</ref>
⚫
Although she never became a Fellow of the [[Royal College of Physicians]], she was awarded the Jean Hunter Prize in 1962 ''"for the advancement of research into the treatment of nervous exhaustion and for her original contribution to the fundamental knowledge of the nature of myasthenia gravis, made while carrying out the routine duties of a medical officer at a large metropolitan hospital".''


After her retirement in 1954, she continued to work part time at the [[Glasgow Royal Maternity Hospital|Glasgow Royal Maternity & Women's Hospital]], and remained active in the field of myasthenia gravis.<ref>Letter to Miss Sylvia Bates advocating controlled trial of thymectomy to ascertain its role in the management of myasthenia gravis</ref><ref name=Walker1973>{{cite journal |author=Walker MB |title=Some discoveries on myasthenia gravis: the background |journal=Br Med J |volume=2 |issue=5857 |pages=42–3 |date=April 1973 |pmid=4572033 |pmc=1588990 |doi=10.1136/bmj.2.5857.42}}</ref> Her 1973 article also describes ''the Mary Walker Effect'', a clinical sign found in myasthenia gravis.<ref name=Walker1973 /> She died in September 1974 at the age of 86.<ref>{{cite journal | title=Obituary | journal=Lancet | year=1974 | pages=1401 | doi=10.1016/S0140-6736(74)92285-5 | volume=304 | issue=7893}}</ref>
After her retirement to Croft-an-Righ in 1954,<ref name=":0" /> she continued to work part-time at the [[Princess Royal Maternity Hospital|Glasgow Royal Maternity and Women's Hospital]], and remained active in the field of myasthenia gravis.{{efn|Letter to Miss Sylvia Bates advocating controlled trial of thymectomy to ascertain its role in the management of myasthenia gravis}}<ref name=Walker1973>{{cite journal |author=Walker MB |title=Some discoveries on myasthenia gravis: the background |journal=Br Med J |volume=2 |issue=5857 |pages=42–3 |date=April 1973 |pmid=4572033 |pmc=1588990 |doi=10.1136/bmj.2.5857.42}}</ref>
Her 1973 article also describes ''the Mary Walker Effect'', a clinical sign found in myasthenia gravis.<ref name="Walker1973" />
She died on 13 September 1974 at the age of 86.<ref name=":0">{{cite journal|year=1974|title=Obituary|journal=Lancet|volume=304|issue=7893|pages=1401–1403|doi=10.1016/S0140-6736(74)92285-5}}</ref>

==Awards and honours==
⚫
In 1962, Walker was the first recipient of the [[Royal College of Physicians]] Jean Hunter Prize "''for the advancement of research into the treatment of nervous exhaustion and for her original contribution to the fundamental knowledge of the nature of myasthenia gravis, made while carrying out the routine duties of a medical officer at a large metropolitan hospital".''<ref>{{Cite book|url=https://books.google.com/books?id=hfjSVIWViRUC&pg=RA3-PA743|title=Encyclopedia of the Neurological Sciences|date=2014-04-29|publisher=Academic Press|isbn=9780123851581|language=en}}</ref>

==Notes==
{{notelist}}


== References ==
== References ==
{{reflist}}
{{reflist|30em}}


== External links ==
== External links ==
⚫
* [https://web.archive.org/web/20120721040956/http://www.rootatlas.com/wordpress/video/59/myasthenia-gravis-the-mary-walker-prostigmin-effect-video 1935 video of the effect of prostigmin on myasthenia gravis]
{{Commons category|Mary Walker}}

⚫
* [http://www.rootatlas.com/wordpress/video/59/myasthenia-gravis-the-mary-walker-prostigmin-effect-video/ 1935 video of the effect of prostigmin on myasthenia gravis]
{{authority control}}


{{Persondata
| NAME = Walker, Mary Broadfoot
| ALTERNATIVE NAMES =
| SHORT DESCRIPTION = British physician
| DATE OF BIRTH = 1888
| PLACE OF BIRTH = [[Wigtown]], [[Scotland]]
| DATE OF DEATH = September 1974
| PLACE OF DEATH =
}}
{{DEFAULTSORT:Walker, Mary Broadfoot}}
{{DEFAULTSORT:Walker, Mary Broadfoot}}
[[Category:20th-century British medical doctors]]
[[Category:20th-century Scottish medical doctors]]
[[Category:1888 births]]
[[Category:1888 births]]
[[Category:1974 deaths]]
[[Category:1974 deaths]]
[[Category:British women medical doctors]]
[[Category:20th-century Scottish women medical doctors]]
[[Category:Alumni of the University of Edinburgh]]
[[Category:People from Wigton]]
[[Category:20th-century women physicians]]
[[Category:Alumni of the University of Edinburgh Medical School]]

Revision as of 20:02, 19 February 2024

Dr. Mary Broadfoot Walker
Black and white portrait photograph of Dr Mary Broadfoot Walker in the 1920s
Dr Mary Walker in the 1920s
Born(1888-04-17)17 April 1888
Croft-an-Righ, Wigtown, Scotland
Died13 September 1974(1974-09-13) (aged 86)
EducationUniversity of Edinburgh
Edinburgh College of Medicine for Women
Years active1913–1974
Known forTreatment of myasthenia gravis with physostigmine
Association of familial periodic paralysis and hypokalaemia
Medical career
Professionphysician
InstitutionsSt Alfege's Hospital, Greenwich
St Leonard's Hospital, Shoreditch
St Francis' Hospital, Dulwich
St Benedict's Hospital, Tooting
Glasgow Royal Maternity and Women's Hospital
ResearchMyasthenia gravis
Familial periodic paralysis
AwardsRoyal College of Physicians Jean Hunter Prize (1962)

Mary Broadfoot Walker (17 April 1888 – 13 September 1974) was a Scottish physician who first demonstrated the effectiveness of physostigmine in the treatment of the condition myasthenia gravis, a disease relating to muscle weakness. She was also the first to recognise the association between familial periodic paralysis and low blood potassium levels.

Early life and education

Mary Walker was born at Croft-an-Righ, Wigtown, Scotland in 1888. The eldest of four children, her father was a solicitor. After school, she trained in medicine at the Edinburgh College of Medicine for Women, and like most of the college's students, she received much of her clinical teaching in Glasgow. She graduated MB ChB from the University of Edinburgh in 1913.[1]

Career and research

During the First World War, she served with the Royal Army Medical Corps at the 63rd General Hospital, Malta.[2] In 1920 she became a salaried Assistant Medical Officer in "Poor Law Service" at St Alfege's Hospital, Greenwich, London, where she worked until 1936.[3] In 1932, she was awarded Membership of the Royal College of Physicians. She then worked at St Leonard's Hospital, Shoreditch, St. Francis' Hospital, Dulwich and St Benedict's Hospital, Tooting.[citation needed]

In 1934, while working at St Alfege's Hospital, Walker discovered that the subcutaneous injection of physostigmine could temporarily reverse the muscle weakness found in patients with myasthenia gravis. She had noted that the symptoms and signs of myasthenia were similar to those found in curare poisoning, and physostigmine was used as an antidote to curare poisoning at that time.[4] The first case of myasthenia gravis successfully treated with physostigmine was published in the Lancet in June 1934.[5]

In 1935, Walker was the first to recognise the association between the condition familial periodic paralysis and hypokalaemia (low blood potassium levels).[6] She also described the glucose challenge test used in diagnosing hypokalaemic periodic paralysis and the use of intravenous potassium in its treatment.[7] During 1935, her research on myasthenia was incorporated into her MD thesis which was submitted via the University of Edinburgh,[8] and for which she received a gold medal.[9]

After her retirement to Croft-an-Righ in 1954,[1] she continued to work part-time at the Glasgow Royal Maternity and Women's Hospital, and remained active in the field of myasthenia gravis.[a][10]

Her 1973 article also describes the Mary Walker Effect, a clinical sign found in myasthenia gravis.[10]

She died on 13 September 1974 at the age of 86.[1]

Awards and honours

In 1962, Walker was the first recipient of the Royal College of Physicians Jean Hunter Prize "for the advancement of research into the treatment of nervous exhaustion and for her original contribution to the fundamental knowledge of the nature of myasthenia gravis, made while carrying out the routine duties of a medical officer at a large metropolitan hospital".[11]

Notes

  1. ^ Letter to Miss Sylvia Bates advocating controlled trial of thymectomy to ascertain its role in the management of myasthenia gravis

References

  1. ^ a b c "Obituary". Lancet. 304 (7893): 1401–1403. 1974. doi:10.1016/S0140-6736(74)92285-5.
  2. ^ Pearce JM (2005). "Mary Broadfoot Walker (1888–1974): a historic discovery in myasthenia gravis". Eur. Neurol. 53 (1): 51–3. doi:10.1159/000084268. PMID 15746548.
  3. ^ Johnston JD (September 2007). "Mary Broadfoot Walker (1888–1974)". J. Neurol. 254 (9): 1306–7. doi:10.1007/s00415-007-0663-z. PMID 18000738. S2CID 29210895.
  4. ^ "Dr Mary Walker – A Pioneer in the Treatment of Myasthenia Gravis". MG -association UK. Retrieved 23 November 2008.
  5. ^ Walker MB (1934). "Treatment of myasthenia gravis with physostigmine". Lancet. 1 (5779): 1200–1201. doi:10.1016/S0140-6736(00)94294-6.
  6. ^ Walker MB (1935). "Potassium chloride in myasthenia gravis". Lancet. 2 (5836): 47. doi:10.1016/S0140-6736(01)09382-5.
  7. ^ Aitken RS, Allot EN, Gastelden LI, Walker MB (1937). "Observations on a case of familial periodic paralysis". Clin Sci. 3: 47–57.
  8. ^ Broadfoot, Walker, Mary (1935). "Contribution to the study of Myasthenia Gravis". hdl:1842/19381. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: multiple names: authors list (link)
  9. ^ Edinburgh University Calendar 1937–1938. Edinburgh: James Thin. 1937. p. 581.
  10. ^ a b Walker MB (April 1973). "Some discoveries on myasthenia gravis: the background". Br Med J. 2 (5857): 42–3. doi:10.1136/bmj.2.5857.42. PMC 1588990. PMID 4572033.
  11. ^ Encyclopedia of the Neurological Sciences. Academic Press. 29 April 2014. ISBN 9780123851581.
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