| IRD | infantile Refsum syndrome; isorhythmic dissociation |
|---|---|
| Kd | dissociation constant; distribution coefficient; partition coefficient |
| Kw | dissociation constant of water |
| ODC | oritidine decarboxylase; ornithine decarboxylase; oxygen dissociation curve |
| pK | negative logarithm of the dissociation constant; plasma potassium |
| assident symptom | A symptom that usually but not always accompanies a certain disease, as distinguished from a pathognomonic symptom. Synonym: assident symptom, concomitant symptom. (05 Mar 2000) |
|---|---|
| Baumes symptom | Pain behind the sternum in angina pectoris. (05 Mar 2000) |
| Bezold's symptom | Inflammatory oedema at the tip of the mastoid process in mastoiditis. Synonym: Bezold's sign. (05 Mar 2000) |
| Bolognini's symptom | A feeling of crepitation on gradually increasing pressure on the abdomen in cases of measles. Cardinal symptom, the primary or major symptom of diagnostic importance. (05 Mar 2000) |
| Macewen's symptom | <clinical sign> Percussion of the skull gives a cracked-pot sound in cases of hydrocephalus. Synonym: Macewen's symptom. (05 Mar 2000) |
| rainbow symptom | A yellowish white ring surrounding the optic disk, indicating atrophy of the choroid in glaucoma. Synonym: glaucomatous ring. A halo surrounding lights, caused by corneal oedema in glaucoma. Synonym: rainbow symptom. (05 Mar 2000) |
| reflex symptom | A disturbance of sensation or function in an organ or part more or less remote from the morbid condition giving rise to it; e.g., muscle spasm due to joint inflammation. Synonym: sympathetic symptom. (05 Mar 2000) |
| pathognomonic symptom | A symptom that, when present, points unmistakably to the presence of a certain definite disease. (05 Mar 2000) |
| Gordon's symptom | The occurrence of an appreciable interval after the production of a reflex before relaxation, e.g., the leg remains up for a time after a knee jerk. Synonym: Gordon's symptom. (05 Mar 2000) |
| Griesinger's symptom | Oedema of the superficial tissues at the tip of the mastoid process in cases of thrombosis of the sigmoid sinus. (05 Mar 2000) |
| Romberg-Howship symptom | In cases of incarcerated obturator hernia; lancinating pains along the inner side of the thigh to the knee, or down the leg to the foot; caused by compression of the obturator nerve. Synonym: Romberg's symptom. (05 Mar 2000) |
| Romberg's symptom | <clinical sign> With feet approximated, the patient stands with eyes open and then closed; if closing the eyes increases the unsteadiness, a loss of proprioceptive control is indicated, and the sign is positive. Synonym: Romberg test, Romberg's symptom, rombergism, station test. (05 Mar 2000) |
| Wartenberg's symptom | Intense pruritus of the tip of the nose and nostrils in cases of cerebral tumour, flexion of the thumb when the patient attempts to flex the four fingers against resistance, a "pyramid sign". (05 Mar 2000) |
| concomitant symptom | A symptom that usually but not always accompanies a certain disease, as distinguished from a pathognomonic symptom. Synonym: assident symptom, concomitant symptom. (05 Mar 2000) |
| constitutional symptom | A symptom indicating a systemic effect of a disease; e.g., weight loss. (05 Mar 2000) |