Fritz Valdemar Rasmussen

Fritz Valdemar Rasmussen (1837-1877) was a Danish physician.

Rasmussen was educated in the pathological anatomy close of clinical medicine. His special interest was the chest and he founded a medico-pneumatic department with a clinic for breast diseases in the Kommunehospitalet, Copenhagen.

Rasmussen recorded cases of massive haemoptysis secondary to pulmonary artery aneurysm in association with tuberculosis – eponymously termed the Rasmussen aneurysm


  • Born 28 August 1837 Århus, Jutland
  • 1860 – MD, Copenhagen
  • 1861 – Studied anatomy in Berlin under Virchow
  • 1862 – Physician training Kommunehospitalet and prosector in the pathological-anatomical museum
  • 1863 – Physician at Almindelig Hospital, Copenhagen
  • 1864 – Chief physician, military hospital in the castle of Frederiksborg (war with Germany over Schleswig-Holstein)
  • 1866 – Doctoral thesis; Ueber die Entwicklungsverhältnisse der Echinococcen beim Menschen
  • 1866 – Co-editor of the Hospitals-Tidende Journal
  • 1868-1874 Privatdocent of pathological anatomy, University of Copenhagen
  • 1870-1875 Led a ‘mixed’ medical-surgical department at the Kommunehospitalet
  • 1874 – Chair of pathological anatomy and general pathology, University of Copenhagen
  • Died 22 February 1877

Medical Eponyms

  • Rasmussen aneurysm (1868) pulmonary artery aneurysm adjacent to, or within a tuberculous cavity. Uncommon and potentially lethal (secondary to massive haemoptysis) complication of pulmonary tuberculosis

Major Publications


  • Bricka CF. Rasmussen, Frits Valdemar (1833-1877). Dansk biografisk Lexikon p506-507
  • Chatterjee K, Colaco B, Colaco C, Hellman M, Meena N. Rasmussen’s aneurysm: A forgotten scourge. Respir Med Case Rep. 2015 Aug 12;16:74-6 [PMC4681976]
  • Sapra R, Sharma G, Minz AK. Rasmussen’s aneurysm: A rare and forgotten cause of hemoptysis. Indian Heart J. 2015 Dec;67 Suppl 3:S53-6. [PMC4798981]
  • Portrait: Rasmussen, Fritz Valdemar Det Kongelige Bibliotek – The Royal Library

eponymictionary CTA


the person behind the name

Associate Professor Curtin Medical School, Curtin University. Emergency physician MA (Oxon) MBChB (Edin) FACEM FFSEM Sir Charles Gairdner Hospital.  Passion for rugby; medical history; medical education; and asynchronous learning #FOAMed evangelist. Co-founder and CTO of Life in the Fast lane | Eponyms | Books | Twitter |

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