Medical milestones, landmark publications, and notable births and deaths associated with May 21.

Events

No major medical milestones added for this date yet — this page is being expanded

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Births

1835 – František (Franz) Chvostek (1835-1884) Czech born, Austrian physician; described Chvostek sign (1876)

1860 – Willem Einthoven (1860-1927), Dutch physician and physiologist; introduces the term ‘electro-cardiogrammem‘ and the first practical electrocardiogram (ECG) in 1903, and the Einthoven triangle (1912)

1868 – Richard Clarke Cabot (1868-1939), American physician. Described Cabot- Locke murmur (1903); Cabot Rings (1903); and formally introduced the term “Courvoisier’s Law”

1899 – Niels Lauge-Hansen (1899-1976), Danish Radiologist; defined Lauge-Hansen classification of ankle fractures (1950)

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Deaths

1906 – John Henry Bryant (1867-1906), English physician; described the Blue Scrotum Sign of Bryant (1903)

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Further reading