| HIT | hemagglutination inhibition test; heparin-induced thrombocytopenia; histamine inhalation test; hyper... |
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| HT | Hashimoto thyroiditis; hearing test; hearing threshold; heart; heart transplantation, heart transpla... |
| IAT | instillation abortion time; iodine azide test; invasive activity test |
| IHT | insulin hypoglycemia test; intravenous histamine test; ipsilateral head turning |
| MET | maximal exercise test; metabolic equivalent of the task; metastasis, metastatic; methionine; midexpi... |
| Wada test | <investigation> Unilateral internal carotid injection of amobarbital to determine the laterality of speech; injection on the dominant side causes transient aphasia or mutism; used prior to surgical treatment of epilepsy. (05 Mar 2000) |
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| Waldenstrom's test | A test for porphyrin in the urine; 2 ml of urine are mixed with an equal amount of 2% dimethyl-p-aminobenzaldehyde in 50/100 HCl. A red colour appears if urobilinogen (Ehrlich's benzaldehyde reaction) or porphobilinogen is present. (05 Mar 2000) |
| coccidioidin test | An intracutaneous test for determining the presence of infection with the fungus Coccidioides immitis; a reaction of delayed hypersensitivity indicates a positive test and is interpreted as meaning past or present infection with the fungus. (05 Mar 2000) |
| Wang's test | A quantitative test for indican, which is transformed into indigo-sulfuric acid and then titrated by a solution of potassium permanganate. (05 Mar 2000) |
| Molisch's test | A colour test for sugar, which condenses with alpha-naphthol or thymol in the presence of strong sulfuric acid, which converts the sugar to furfural derivatives. (05 Mar 2000) |
| cock's comb test | A test for androgenic activity, based upon the stimulation of comb growth in capons (castrated cockerels) or immature roosters. Synonym: capon-comb-growth test, cock's comb test. (05 Mar 2000) |
| Moloney test | <investigation> Skin test for immunity to diphtheria in which active toxin is injected into one site and toxoid into another. This is to control for pseudopositive reactions to the toxin. (18 Nov 1997) |
| washout test | A means of estimating renal obstruction by the rate of disappearance of excreted radioactive material from the kidney. (05 Mar 2000) |
| Wassermann test | <investigation> A complement fixation test used to diagnose syphilis. (31 Dec 1997) |
| water-drinking test | A test of the assessment of open-angle glaucoma, measuring intraocular pressure after drinking a quart of water in five minutes. (05 Mar 2000) |
| coin test | In cases of a large pulmonary cavity or of pneumothorax, a clear metallic sound obtained by striking a coin, held against the chest, by another coin, or by flicking the chest wall with one's fingernail; the sound is heard on auscultating the chest wall on the same side anteroposteriorly. Synonym: anvil sound, bell sound, coin test. (05 Mar 2000) |
| cold agglutination test | <investigation> A test for blood antibodies which are present in certain peculiar types of pneumonia (atypical pneumonia, Mycoplasma) (27 Sep 1997) |
| cold bend test | A test of the ability of a wire to be shaped; performed by counting the number of times a wire can be bent to a right angle and reversed at the same point before breaking; important in establishing specifications for orthodontic wires. (05 Mar 2000) |
| cold pressor test | A cardiocirculatory challenge conventionally performed by immersing one hand in ice cold water for two or more minutes (as tolerated) to acutely raise the blood pressure, thus imposing resistance to ejection of blood from the left ventricle into the systemic arterial system and consequently acutely increased afterload (afterload = increased left ventricular wall stress). Synonym: Hines-Brown test. (05 Mar 2000) |
| Watson-Schwartz test | A qualitative screening test for diagnosis of acute intermittent porphyria by the addition of Ehrlich's reagent and saturated sodium acetate to the urine; a pink or red colour indicates the presence of porphobilinogen or urobilinogen; the former indicates porphyria, the latter does not; therefore, positive results require further differential extraction with butanol and chloroform to eliminate false-positive results due to urobilinogen. (05 Mar 2000) |