Alders sign
Alders sign: a positional tenderness test in pregnancy. Explore its 1951 origins, examination technique, role in appendicitis and limited diagnostic evidence.
Category LITFL
Cope psoas test
Cope psoas test: explore the original 1921 description, modern examination techniques, historical variations and diagnostic accuracy in acute appendicitis.
History of Neuraxial Anaesthesia
History of neuraxial anaesthesia: milestones in spinal and epidural blockade from Koller and Corning to Quincke, Bier, Tuohy and Curbelo.
Cope obturator test
Cope obturator test: original 1919 description, modern examination technique, diagnostic accuracy and historical changes in this appendicitis sign.
Jacob Moritz Blumberg
Jacob Moritz Blumberg (1873–1955): German surgeon who described rebound tenderness, developed surgical gloves and pioneered gynaecological instruments.
Blumberg sign
Blumberg sign (rebound tenderness): original 1907 description, Shchetkin attribution, modern examination technique and diagnostic accuracy in appendicitis.
J. Englebert Dunphy
John Englebert Dunphy (1908–1981), American surgeon renowned for wound healing research, surgical education and the eponymous Dunphy sign in appendicitis.
Dunphy sign
Dunphy sign: cough-provoked abdominal pain in appendicitis. Explore the examination technique, diagnostic accuracy, historical origins and disputed eponym.
Nicholas Alders
Nicholas Alders (1904–1995), Austrian-trained obstetrician who fled Nazi Vienna in 1938. Alders sign for abdominal pain in pregnancy (1951)
Bryan sign
Bryan sign (1955): original examination for appendicitis in pregnancy, uterine displacement technique, diagnostic evidence and comparison with Alders sign.
Charles McBurney
Charles Heber McBurney (1845 – 1913) was an American surgeon. Most famous for McBurney's point (1889) and McBurney's incision (1894) Medical Eponym.
Anthony Bassler
Anthony Bassler (1874–1959): American gastroenterologist, author and instrument innovator remembered for Bassler sign and advancing medical education.