July 21 – On This Day in Medical History
Medical milestones, landmark publications, and notable births and deaths associated with July 21.
Events
No major medical milestones added for this date yet — this page is being expanded
Births
1949 – Antonio Palla, Italian respiratory and nuclear medicine specialist; described Palla sign (1983) of pulmonary embolism
Deaths
1983 – Norman Jefferis ‘Jeff’ Holter (1914-1983), American chemist, physicist and biophysicist; inventor of the Holter monitor (1947)
Further reading
BA MA (Oxon) MBChB (Edin) FACEM FFSEM. Emergency physician, Sir Charles Gairdner Hospital. Passion for rugby, medical history, medical education, and asynchronous learning #FOAMed evangelist. Editor-in-Chief and Webmaster of Life in the Fast lane, LITFL | On Call 4e| Eponyms | Books | Horology |