William Withering - Discovery of Digitalis

Discovery of Digitalis

Withering first learned of the use of Digitalis in "cardiac (congestive heart failure) from an old woman who practiced as a folk herbalist in Shropshire, who used the plant as part of a polyherbal formulation containing over 20 different ingredients to successfully treat this condition. Withering deduced that Digitalis was the "active" ingredient in the formulation, and over the ensuing nine years he carefully tried out different preparations of various parts of the plant (collected in different seasons) and documented 156 cases where he had employed digitalis, and described the effects and the best - and safest - way of using it. At least one of these cases was a patient whom Erasmus Darwin had asked Withering for his second opinion. In January 1785 Darwin submitted a paper entitled "An Account of the Successful Use of Foxglove in Some Dropsies and in Pulmonary Consumption" to the College of Physicians in London; it was presented by Darwin in March of that year. A postscript at the end of the published volume of transactions containing Darwin's paper states that "Whilst the last pages of this volume were in the press, Dr Withering of Birmingham... published a numerous collection of cases in which foxglove has been given, and frequently with good success". After this, Darwin and Withering became increasingly estranged, and eventually a horrendous argument broke out apparently resulting from Darwin having accused Withering of unprofessional behaviour by effectively poaching patients. This is a very early example of medical academic plagiarism.

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