Leopold Auenbrugger

Infobox Scientist
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caption =Leopold Auenbrugger (1722-1809)
birth_date = November 19 1722
birth_place = Graz, Austria
death_date = May 17 1809
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nationality =Austrian
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field = medicine
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known_for = percussion (medicine)
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Josef Leopold Auenbrugger or Leopold von Auenbrugg (b. November 19 1722, Graz, Austria; d. May 17 1809), Austrian physician who invented percussion as a diagnostic technique. On the strength of this discovery, he is considered one of the founders of modern medicine.Fact|date=June 2007

Auenbrugger was a native of Graz in Styria, an Austrian province. His father, a hotel keeper, gave his son every opportunity for an excellent preliminary education in his native town and then sent him to Vienna to complete his studies at the university. Auenbrugger was graduated as a physician at the age of 22 and then entered the Spanish Military Hospital of Vienna, where he spent 10 years.

He found out that, by tapping lightly on the chest, one could assess the texture of underlying tissues and organs. This technique had its origins in testing the level of wine casks in the cellar of his father's hotel [Doctors:The History of Medicine through Biography Sherwin B. Nuland] . With this method, he was able to plot outlines of the heart. It was the first time that a physician could relatively accurately and objectively determine an important sign of diseases. He published his findings in a booklet, but nobody paid much attention to it. The value of percussion in physical examination was later recognized by Jean-Nicolas Corvisart, who popularized it teaching it to his students in France, and by Josef Skoda in Vienna.

During his ten years of patient study, Auenbrugger confirmed his observations on the diagnostic value of percussion by comparison with post-mortem specimens, and besides made a number of experimental researches on dead bodies. He injected fluid into the pleural cavity, and showed that it was perfectly possible by percussion to tell exactly the limits of the fluid present, and thus to decide when and where efforts should be made for its removal.

His name is also associated with Auenbrugger's sign, a bulging of the epigastric region in the thorax, in cases of large effusions of the pericardium, the membrane which envelops the heart.

His later studies were devoted to tuberculosis. He pointed out how to detect cavities of the lungs, and how their location and size might be determined by percussion. He also recognized that information with regard to the contents of cavities in the lungs and conditions of lung tissue might be obtained by placing the hand on the chest and noting the vibration, or "fremitus", produced by the voice and breath. These observations were published in a little book called "Inventum Novum", the full English title being, "A New Discovery that Enables the Physician from the Percussion of the Human Thorax to Detect the Diseases Hidden Within the Chest". It is now considered one of the most important classics of medicine.Fact|date=June 2007

Like most medical discoveries, Auenbrugger's method of diagnosis at first met with indifference. Before his death, however, it had aroused the attention of French physician René Laennec, who, following up the ideas suggested by it, discovered auscultation.

Auenbrugger lived to a happy old age. He was especially noted for his cordial relations with the younger members of his profession and for his kindness to the poor and to these suffering from tuberculosis. He is sometimes said to have died in the typhus epidemic of 1798, but the burial register of the parish church in Vienna, of which he had been for half a century a faithful member, shows that he did not die until 1807.

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References


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last=Pearce
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year=2008|month=
title=Leopold Auenbrugger: camphor-induced epilepsy - remedy for manic psychosis
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title=Auenbrugger, Corvisart, and the perception of disease
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*cite journal
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journal=Giornale italiano di cardiologia
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title=Percussion discovered
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year=1972|month=Dec.
title= [Johann Leopold Auenbrugger. 250th birthday of the inventor of percussion]
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last=Kukowka
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title= [Leopold Auenbrugger, nobleman of Auenbrugg (1722-1809) inventor of thorax percussion. 250th anniversary]
journal=Zeitschrift für Allgemeinmedizin
volume=48
issue=32
pages=1502-10
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title=Auenbrugger's contribution to cardiology. History of percussion of the heart
journal=British heart journal
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year=1970|month=Apr.
title=Who follow a gleam. Leopold Auenbrugger
journal=Minnesota medicine
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*cite journal
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title= [Leopold Auenbrugger-follower of van Swieten, on the 150th anniversary of the death of Auenbrugger on 18 May 1959.]
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*cite journal
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last=MENNINGER-LERCHENTHAL
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journal=Wiener medizinische Wochenschrift (1946)
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*cite journal
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last=FITZWILLIAMS
first=D C L
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year=1951|month=Feb.
title=Auenbrugger
journal=Medical world
volume=73
issue=22
pages=522-8
publisher= |location = Not Available| issn = | pmid = 14805723
bibcode = | oclc =| id = | url = | language = | format = | accessdate = | laysummary = | laysource = | laydate = | quote =

*cite journal
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last=LOGAR
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title= [Thoracal auscultation.]
journal=Priroda, clovek in zdravje
volume=5
issue=4-5
pages=126-9
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bibcode = | oclc =| id = | url = | language = | format = | accessdate = | laysummary = | laysource = | laydate = | quote =

External links

* [http://www.whonamedit.com/doctor.cfm/309.html Josef Leopold Auenbrugger] . WhoNamedIt.

Further reading

* cite encyclopedia
last = Steudel
first = Johannes
title = Auenbrugger, Jose
encyclopedia = Dictionary of Scientific Biography
volume = 1
pages = 332-333
publisher = Charles Scribner's Sons
location = New York
date = 1970
isbn = 0684101149


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  • Auenbrugger, Leopold — • An Austrian physician, born 19 November, 1722; died 17 May, 1807 Catholic Encyclopedia. Kevin Knight. 2006 …   Catholic encyclopedia

  • Auenbrugger von Auenbrug — Auenbrugger von Auenbrug, Leopold, geb. 1722 zu Grätz in Steiermark, Arzt im spanischen Spital zu Wien, st. 1809. Er ist Erfinder der Percussion als Zeichen zur Erkenntniß innerer Brustkrankheiten, s. u. Auscultation. Schr.: Inventum nov. ex… …   Pierer's Universal-Lexikon

  • Auenbrugger von Auenbrugg — Auenbrugger von Auenbrugg, Leopold, Mediziner, geb. 19. Nov. 1722 in Graz, gest. 17. Mai 1809 in Wien, studierte in Wien, wirkte daselbst 1751 bis 1768 als Arzt am spanischen Hospital und fand 1754, daß die verschiedenen Schallarten, die bei dem… …   Meyers Großes Konversations-Lexikon

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