that are named after a person or persons, usually the physicians who first described them, but occasionally named after a famous patient with the signs.
| 'Letter' | 'Sign' | 'Name' | 'Field' | 'Conditions' | 'External link (if no internal link)' |
| A | Aaron sign | Charles Dettie Aaron | gastroenterology | appendicitis | |
| A | Abadie's sign | Jean Marie Charles Abadie | | | |
| A | Abadie's symptom | Joseph Louis Irenée Jean Abadie | | | |
| A | Abderhalden reaction | Emil Abderhalden | obstetrics | | |
| A | Abelin reaction | Isaak Abelin | | | |
| A | Abel's test | Dietrich Abels | | | |
| A | Addis count | Thomas Addis | | | (needed) |
| A | Adie pupil | William John Adie | neurology | | |
| A | Adson's sign | Alfred Adson | | | |
| A | Alexander's law | ? | | | |
| A | Allen's test | Edgar Van Nuys Allen | | | |
| A | Apley grind test | Alan Graham Apley | | | |
| A | Argyll Robertson pupils | Douglas Moray Cooper Lamb Argyll Robertson | neurology | | |
| A | Arneth count | Josef Arneth | | | |
| A | Ascheim-Zondek test | Selmar Ascheim, Bernhard Zondek | | | |
| A | Aschoff body | Karl Albert Ludwig Aschoff | | | |
| A | Ashby techniques | Winifred Ashby | | | (needed) |
| A | Auberger's blood group | Auberger (patient) | | | (needed) |
| A | Auenbrugger's sign | Josef Leopold Auenbrugger | | | |
| A | Auer rods | John Auer | | | |
| A | Auspitz's sign | Heinrich Auspitz | | | |
| A | Austin Flint murmur | Austin Flint | cardiology | | |
| A | Australian antigen | Aboriginal patient | | | (needed) |
| B | Babinski sign | Joseph Babinski | neurology | | |
| B | Baghdad boil | Baghdad | | | |
| B | Bainbridge reflex | Francis Arthur Bainbridge | | | |
| B | Bairnsdale ulcer | Bairnsdale | | | |
| B | Balbiani rings | Edouard-Gérard Balbiani | | | (needed) |
| B | Ballance's sign | Charles Alfred Ballance | | | (needed) |
| B | Bárány test | Robert Bárány | | | (needed) |
| B | Barlow's maneuver | Thomas Barlow (medicine) | | | (needed) |
| B | Bart hemoglobin | Barts Hospital | | | (needed) |
| B | Bastian-Bruns sign | Henry Charlton Bastian, Ludwig Bruns | | | (needed) |
| B | Battle's sign | William Henry Battle | | | |
| B | Beau's lines | Joseph Honoré Simon Beau | | | |
| B | Beck's triad | Claude Schaeffer Beck | | | |
| B | Becker's sign | Otto Heinrich Enoch Becker | | | (needed) |
| B | Beevor's sign | Charles Edward Beevor | | | |
| B | Bekhterev-Mendel reflex | Vladimir Bekhterev, Kurt Mendel | | | (needed) |
| B | Bence Jones protein | Henry Bence Jones | | | |
| B | Benedict solution | Stanley Rossiter Benedict | | | |
| B | Berger rhythm | Hans Berger | | | (needed) |
| B | Bezold-Jarisch reflex | Albert von Bezold, Adolf Jarisch | | | (needed) |
| B | Bielschowsky's tilt | Alfred Bielschowsky | | | (needed) |
| B | Bing's sign | Paul Robert Bing | | | (needed) |
| B | Biot's respiration | C. Biot | pulmonology | | |
| B | Bitot's spots | Pierre Bitot | | | |
| B | Bjerrum scotoma | Jannik Peterson Bjerrum | | | (needed) |
| B | Blumberg sign | Jacob Moritz Blumberg | | | |
| B | Boas' point | Ismar Isidor Boas | | | (needed) |
| B | Boas' sign I | Ismar Isidor Boas | | | |
| B | Boas' sign II | Ismar Isidor Boas | | | (needed) |
| B | Bodansky unit | Meyer Bodansky | | | (needed) |
| B | Bombay blood group | Bombay | | | (needed) |
| B | Boston's sign | L.N. Boston | | | |
| B | Bouchard's nodes | Charles-Joseph Bouchard | | | |
| B | Bracht-Wachter bodies | Erich Franz Eugen Bracht, H. Wächter | | | |
| B | Branham's sign | Henry Branham | | | (needed) |
| B | Braxton Hicks contraction | John Braxton Hicks | | | |
| B | Brewer infarcts | George Emerson Brewer | | | (needed) |
| B | Broadbent inverted sign | William Broadbent | | | (needed) |
| B | Brissaud's reflex | Édouard Brissaud | | | (needed) |
| B | Broadbent law | William Broadbent | | | (needed) |
| B | Broadbent sign | William Broadbent | | | (needed) |
| B | Broca aphasia | Paul Broca | | | |
| B | Brodie-Trendelenburg test | Benjamin Collins Brodie, Friedrich Trendelenburg | | | |
| B | Brudzinski sign | Józef Brudziński | | | |
| B | Bruit de Roger | Henri-Louis Roger | | | (needed) |
| B | Bruns ataxia | Ludwig Bruns | | | (needed) |
| B | Brushfield spots | Thomas Brushfield | | | |
| B | Burton line | Henry Burton | | | (needed) |
| C | Cabot rings | Richard Cabot | | | |
| C | Caput medusae | Medusa | | | |
| C | Cardarelli's sign | ? | | | |
| C | Carey Coombs murmur | Carey Coombs | | | (needed) |
| C | Carnett's test | John Carnett | | | (needed) |
| C | Carvallo sign | José Carvallo | | | (needed) |
| C | Casal collar | Gaspar Casal | | | (needed) |
| C | Casoni test | Tommaso Casoni | | | (needed) |
| C | Celsus signs of inflammation | Aulus Cornelius Celsus | | | |
| C | Chaddock reflex | Charles Gilbert Chaddock | | | |
| C | Chadwick sign | James Read Chadwick | obstetrics | | |
| C | Charcot's triad | Jean-Martin Charcot | | | |
| C | Charcot-Leyden crystals | Jean-Martin Charcot, Ernst Viktor von Leyden | | | |
| C | Cheyne-Stokes respiration | John Cheyne, William Stokes | | | |
| C | Churchill-Cope reflex | Edward Delos Churchill, Oliver Cope | | | (needed) |
| C | Chvostek's sign | František Chvostek | | | |
| C | Clark sign | Alonzo Clark | | | (needed) |
| C | Claybrook sign | Edwin Claybrook | | | (needed) |
| C | Clutton's joints | Henry Hugh Clutton | | | (needed) |
| C | Codman's triangle | Ernest Armory Codman | | | |
| C | Comby sign | Jules Comby | | | (needed) |
| C | Coombs test | Robin Coombs | | | |
| C | Coons fluorescent antibody method | Albert Coons | | | (needed) |
| C | Corrigan pulse | Dominic John Corrigan | | | |
| C | Councilman body | William Councilman | | | |
| C | Courvoisier's law | Ludwig Georg Courvoisier | | | |
| C | Crichton-Browne sign | James Crichton-Browne | | | (needed) |
| C | Crowe sign | Samuel Crowe | | | |
| C | Cruveilhier-Baumgarten bruit | Jean Cruveilhier, Paul Clemens von Baumgarten | | | (needed) |
| C | Cullen's sign | Thomas Cullen | | | |
| C | Curschmann spirals | Hans Curschmann | | | |
| C | Cushing's triad | Harvey Cushing | | | |
| D | Dahl's sign | ? | | | [1] |
| D | Dalrymple sign | ? | | | |
| D | Dance's sign | ? | | | |
| D | Darier's sign | ? | | | |
| D | Dawson's fingers | ? | | | [2] [3] |
| D | De Musset's sign | ? | | | |
| D | Dennie's lines | ? | | | ([4]) |
| D | Destot's sign | ? | | | [5] |
| D | Dix-Hallpike test | ? | | | |
| D | Döhle bodies - | Karl Gottfried Paul Döhle | | | |
| D | Doi's sign | ? | | | [6] |
| D | Dunphy sign | ? | | | [7] |
| D | Duroziez's sign | ? | | | |
| E | Elschnig spots | Anton Elschnig | | | (needed) |
| E | Epstein's pearls | ? | | | |
| E | Ewart's sign | ? | | pericardial effusion | |
| F | facies Hippocratica | Hippocrates | | | |
| F | Finkelstein's test | ? | | | |
| F | Fordyce spots | ? | | | |
| F | Forschimer spots | ? | | | (needed) |
| F | Fothergill's sign | ? | | | |
| F | Fox's sign | ? | | | (needed) |
| F | Frank's sign | ? | | | (needed) |
| F | Friedreich's sign | ? | | | |
| F | Froment's sign | ? | neurology | ulnar nerve palsy | |
| G | Gallavardin dissociation | ? | | | (needed) |
| G | Gandy-Gamma nodules | ? | | | (needed) |
| G | Gerhard's sign | ? | | | (needed) |
| G | Goetz sign | ? | | | (needed) |
| G | Gond's maneuver | ? | | | (needed) |
| G | Goodell's sign | ? | obstetrics | | |
| G | Goodsall's rule | ? | | | |
| G | Gordon's maneuver | ? | | | (needed) |
| G | Gottron's papules | ? | | | |
| G | Gowers' sign (Gowers' maneuver) | William Richard Gowers | | | |
| G | Graefe's sign | Friedrich Wilhelm Ernst Albrecht von Graefe | | | |
| G | Graham Steell murmur | ? | | | (needed) |
| G | Grey Turner's sign | ? | | | |
| G | Griffith's sign | ? | | | (needed) |
| G | Grotton's lesions | ? | | | (needed) |
| G | Gunn's sign | ? | | | (needed) |
| H | Hamman's sign | ? | | | |
| H | Hampton's hump | ? | | | |
| H | Hannington-Kiff sign | ? | | | (needed) |
| H | Harrison's groove | ? | | | |
| H | Hatchcock's sign | ? | | | (needed) |
| H | Heberden's node | ? | | | |
| H | Hegar's sign | ? | | | |
| H | Hess test | ? | | | (needed) |
| H | Hill's sign | ? | | | |
| H | Hippocratic face | Hippocrates | | | |
| H | Hippocratic fingers | Hippocrates | | | |
| H | Hirschberg test | Julius Hirschberg | | test for strabismus | |
| H | Hoffman's sign | ? | | | |
| H | Hollenhorst plaque | ? | | | |
| H | Holmes-Adie syndrome | ? | | | |
| H | Homan's sign | ? | | thrombosis | |
| H | Hoover’s sign | ? | | | (needed) |
| H | Howship-Romberg sign | ? | | | (needed) |
| H | Hutchinson freckle | ? | | | (needed) |
| H | Hutchinson pupil | ? | | | (needed) |
| H | Hutchinson's sign | ? | | | (needed) |
| H | Hutchinson's teeth | ? | | congenital syphilis | |
| J | Janeway lesion | Theodore Caldwell Janeway | | | |
| J | Jendrassik maneuver | Ernő Jendrassik | neurology | | |
| J | Joffroy sign | ? | | | |
| J | John Thomas sign | ? | | | (needed) |
| J | Jolly test | ? | | | (needed) |
| J | Jones criteria | ? | | | (needed) |
| K | Kanavel's sign | ? | | | (needed) |
| K | Kayser-Fleischer ring | ? | | | |
| K | Kehr's sign | Hans Kehr | | ruptured spleen | |
| K | Kelly's sign | ? | | | (needed) |
| K | Kerley lines | ? | | | |
| K | Kernig sign | ? | | | |
| K | Koebner's phenomenon | Heinrich Koebner | | | |
| K | Koeppe's nodules | Leonhard Koeppe | | | (needed) |
| K | Koplik's spots | Henry Koplik | | | |
| K | Korotkoff sounds | Nikolai Korotkov | | | |
| K | Kussmaul breathing a.k.a. Kussmaul's respiration | Adolph Kussmaul | | | |
| K | Kussmaul's sign | Adolph Kussmaul | | | |
| K | Kveim-Siltzbach test | ? | | | (needed) |
| L | Lachman maneuver | ? | | | |
| L | Ladin's sign | ? | obstetrics | | |
| L | Lancisi's sign | ? | | | |
| L | Lasègue's sign | ? | | | |
| L | Leopold's maneuver | ? | obstetrics | | |
| L | Leser-Trelat sign | ? | | | |
| L | Levine's sign | ? | | | |
| L | Lhermitte's sign | Jean Lhermitte | neurology | | |
| L | Lisch nodule | ? | | | |
| L | Lisker's sign | ? | | deep venous thrombosis | |
| L | Litten's sign | ? | | | eMedicine |
| L | Louvel's sign | ? | | | (needed) |
| L | Lowenberg's sign | ? | | | ClevelandClinic |
| M | Macewen's sign | ? | | | |
| M | Magnan's sign | ? | | | (needed) |
| M | Marcus Gunn pupil | ? | neurology | | |
| M | Marie's sign | ? | | | (needed) |
| M | Markle sign | ? | | | (needed) |
| M | Mayne's sign | ? | | | (needed) |
| M | McBurney's sign | ? | | | |
| M | McConnell's sign | ? | cardiology | pulmonary embolus | (needed) |
| M | McDonald's sign | ? | | | (needed) |
| M | McMurray test | ? | | | |
| M | Means-Lerman scratch | ? | | | (needed) |
| M | Mees' lines | ? | | | |
| M | Mentzer index | ? | | | |
| M | Miller-Fisher test | ? | | | (needed) |
| M | Monash sign | ? | | | (needed) |
| M | Möbius's sign | ? | | | (needed) |
| M | Muehrckle's nails | ? | | | (needed) |
| M | Mulder's sign | ? | | | (needed) |
| M | Müller's maneuver | ? | | | |
| M | Müller's sign | ? | | | |
| M | Murphy's punch sign | ? | | perinephric abscess | |
| M | Murphy's sign | ? | | | |
| M | Myerson's sign | ? | neurology | Parkinson's disease | |
| N | Nagel's rule | ? | | | (needed) |
| N | Nardi test | ? | gastroenterology | | |
| N | Nelson's syndrome | ? | | | |
| N | Nikolsky's sign | ? | dermatology | | |
| O | O'Brien's test | ? | | | (needed) |
| O | O'Donoghue's triad | ? | | knee injury | |
| O | Oliver's sign | ? | | | |
| O | Oppenheim's sign | ? | | | (needed) |
| O | Ortolani's sign | ? | | | |
| O | Osborn wave | ? | | | (needed) |
| O | Osler's node | ? | | | |
| O | Osler's sign | ? | | | |
| P | Palla's sign | ? | | | (needed) |
| P | Pastia's sign | ? | | | (needed) |
| P | Patrick's test | ? | | sacroiliitis | |
| P | Pemberton's sign | ? | | | |
| P | Phalen's maneuver | ? | | | |
| P | Piskacek's sign | ? | | | (needed) |
| P | Plummer's nail | ? | | | (needed) |
| P | Pratt's sign | ? | | | (needed) |
| P | Plummer-Vinson syndrome | ? | | iron deficiency anemia | |
| Q | Queckenstedt's maneuver | ? | | spinal stenosis | |
| Q | Quincke's sign | ? | | | |
| R | Reynolds' pentad | ? | | ascending cholangitis | |
| R | Riesman's sign | ? | | | (needed) |
| R | Rigler's sign | ? | | | |
| R | Rinne test | ? | | | |
| R | Romana's sign | ? | | Chagas' disease | |
| R | Romberg test | ? | | | |
| R | Rosenbach's sign | ? | | | (needed) |
| R | Roth’s spots | ? | | | (needed) |
| R | Rovsing's sign | ? | | appendicitis | |
| R | Rumpel-Leede sign | ? | | | (needed) |
| R | Russell's sign | ? | | | |
| S | Salus's sign | ? | | | (needed) |
| S | Schafer's maneuver | ? | | | (needed) |
| S | Schamroth's window test | ? | | | |
| S | Schilling test | ? | | | |
| S | Schirmer's test | ? | | | |
| S | Schober test | ? | | | |
| S | Shone's complex | ? | | | (needed) |
| S | Siegrist streaks | ? | | | |
| S | Sims-Huhner test | ? | | | (needed) |
| S | Sister Mary Joseph sign (Sister Joseph Nodule) | ? | oncology | gastric cancer | |
| S | Spurling's test | ? | | | (needed) |
| S | Stellwag's sign | ? | | | (needed) |
| S | Still's murmur | ? | cardiology | | |
| S | Stransky's sign | ? | | | (needed) |
| S | Stroop test | ? | | | |
| S | Strümpell's sign | ? | | | (needed) |
| S | Susac's syndrome | John Susac | | | |
| T | Terry's nails | ? | neurology | liver disease, others | |
| T | Terry-Thomas's sign | Terry-Thomas | | | (needed) |
| T | Thompson's test | ? | | | (needed) |
| T | Tinel's sign | ? | neurology | | |
| T | Todd's paresis | ? | neurology | | |
| T | Tolosa-Hunt syndrome | ? | | | |
| T | Traube's sign | ? | | | |
| T | Trendelenburg gait | Friedrich Trendelenburg | neurology | | |
| T | Trendelenburg's sign | Friedrich Trendelenburg | neurology | | |
| T | Trousseau's sign | ? | | | |
| U | Uhthoff's phenomenon | ? | | | |
| U | Unterberger test | ? | neurology | | |
| V | Virchow's triad | Rudolf Virchow | | | |
| V | Virchow-Robin spaces | ? | | | |
| V | Volkmann's contracture | Richard von Volkmann | | | |
| V | Von Braun-Fernwalds sign | ? | | | (needed) |
| V | Von Graefe sign | ? | | goiter | |
| W | Wada test | ? | neurology | | |
| W | Waddell's signs | ? | | | |
| W | Watson's water hammer pulse | ? | | | |
| W | Whipple's triad | Allen Whipple | endocrinology | hypoglycemia | |
| W | Wickham's striae | ? | | | (needed) |
| W | Widal test | ? | | salmonella | |
| W | Winterbottom's sign | ? | | trypanosomiasis | |
| W | Wolff-Parkinson-White triad | ? | | | (needed) |
| W | Wright's maneuver | ? | | | (needed) |