| Epstein's symptom | <clinical sign> Lid retraction in an infant giving it a frightened expression and a "wild glance." See: setting sun sign, Collier's sign. (05 Mar 2000) |
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| triple symptom complex | <syndrome> A multisystem, chronic recurrent disease characterised by ulceration in the mouth and genitalia, iritis, uveitis, arthritis and thrombophlebitis. Often treated with immunosuppressive therapy (corticosteroids, chlorambucil). (27 Sep 1997) |
| equivocal symptom | A symptom that points definitely to no special disease, being associated with any one of a number of morbid states, or whose presence is uncertain or indefinite. (05 Mar 2000) |
| Uhthoff symptom | A transient temperature-dependent numbness, weakness, or loss of vision. Conduction stops in any nerve if the temperature gets too high. In a damaged nerve, e.g., by demyelinization, this shutdown temperature is lowered, and may approach normal body temperature. Transient neurological dysfunction may then appear with a hot shower, exercise, or fever. Synonym: Uhthoff syndrome. (05 Mar 2000) |
| Kerandel's symptom | Deep-seated hyperesthesia observed in cases of sleeping sickness. (05 Mar 2000) |
| Kussmaul's symptom | <clinical sign> In constrictive pericarditis, a paradoxical increase in venous distention and pressure during inspiration; seen occasionally in effusive-constrictive pericarditis when tamponading pericardial fluid overlies a constricting epicarditis. Synonym: Kussmaul's symptom. (05 Mar 2000) |
| Fischer's symptom | <clinical sign> An obsolete sign: in tuberculosis of the mediastinal or peri-bronchial glands, after bending the patient's head as far back as possible, auscultation over the manubrium sterni will sometimes reveal a continuous loud murmur caused by the pressure of the enlarged glands on the large mediastinal vessels. Synonym: Fischer's symptom. (05 Mar 2000) |
| Frenkel's symptom | Lowered muscular tonus in tabetic neurosyphilis. (05 Mar 2000) |
| localizing symptom | A symptom indicating clearly the seat of the morbid process. (05 Mar 2000) |
| local symptom | A symptom of limited extent, caused by disease of a particular organ or part. (05 Mar 2000) |
| Arneth formula | The normal, approximate ratio of polymorphonuclear neutrophils, based on the number of lobes in the nuclei, as follows: 1 lobe, 5%; 2 lobes, 35%; 3 lobes, 41%; 4 lobes, 17%; 5 lobes, 2%. (05 Mar 2000) |
| Bazett's formula | A formula for correcting the observed Q-T interval in the electrocardiogram for cardiac rate: corrected Q-T = Q-T sec/✓R -R sec. (05 Mar 2000) |
| Bernhardt's formula | <nutrition> A formula used to calculate the ideal weight, in kilograms, for an adult; it is the height in centimeters times the chest circumference in centimeters divided by 240. (14 Aug 2000) |
| Black's formula | A translation of Pignet's formula into British measurements: F = (W + C) -H; F is the empirical factor, W is the weight in pounds, C the chest girth in inches at full inspiration, and H the height in inches; a man is classed as very strong when F is over 120, strong between 110 and 120, good 100 to 110, fair 90 to 100, weak 80 to 90, very weak under 80. (05 Mar 2000) |
| Broca's formula | A fully developed man (30 years old) should weigh as many kilograms as he is centimeters in height over and above 1 meter. (05 Mar 2000) |