| MIAs | multi-institutional arrangements; medically indigent adults |
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| MID | maximum inhibiting dilution; mesioincisodistal; midinfarct dementia; minimum infective dose; minimum... |
| MSIS | multi-state information system |
| MUMPS | Massachusetts General Hospital Utility Multi-Programming System |
| C&DB | cough and deep breath |
naso-oral
| 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) |
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| 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) |
| Van Slyke's formula | The value obtained when the square root of the urine flow (when below 2 ml/min) is multiplied by the urine urea concentration and divided by the whole blood urea concentration; represents an old empirical adjustment for the effect of low urine flow on urea excretion; sometimes corrected for body size by dividing by some function of body weight or surface area. Later, plasma concentration was substituted for blood concentration in the calculation. The normal value is about 54 ml/min per 1.73 m2 in an adult person. Synonym: Van Slyke's formula. (05 Mar 2000) |
| Mall's formula | A formula for determining the age (in days) of a human embryo; calculated as the square root of its length (measured from vertex to breech) in millimeters multiplied by 100. (05 Mar 2000) |