| HIT | hemagglutination inhibition test; heparin-induced thrombocytopenia; histamine inhalation test; hyper... |
|---|---|
| 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... |
| Toma's sign | <clinical sign> To distinguish between inflammatory and noninflammatory ascites: in inflammatory conditions of the peritoneum, the mesentery contracts, drawing the intestines over to the right side; consequently, when the patient lies on his back, tympany is elicited on the right side, dullness on the left. (05 Mar 2000) |
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| Topolanski's sign | <clinical sign> Congestion of the pericorneal region of the eye in Graves' disease. (05 Mar 2000) |
| Tournay sign | Dilation of the pupil in the abducting eye on extreme lateral gaze. This is present in only a small percentage of the normal popupation and has no known association with disease. Synonym: Tournay sign. (05 Mar 2000) |
| Traube's sign | <clinical sign> A double sound or murmur heard in auscultation over arteries (particularly the femoral arteries) in significant aortic regurgitation. (05 Mar 2000) |
| Trelat's sign | <clinical sign> An obsolete sign; the presence of disseminated yellowish spots in the neighborhood of tuberculous ulcers of the mouth; they are minute tubercles or miliary abscesses. (05 Mar 2000) |
| Trendelenburg's sign | <clinical sign> In congenital dislocation of the hip or in hip abductor weakness, the pelvis will sag on the side opposite to the dislocation when the hip and knee of the normal side is flexed; without dislocation or weakness, the pelvis will rise on the side of the flexed hip and knee. (05 Mar 2000) |
| Tresilian's sign | <clinical sign> A reddish prominence at the orifice of Stenson's duct, noted in mumps. (05 Mar 2000) |
| epicardial fat sign | <radiology> Two lucent lines on lateral CXR anterior to heart, subepicardial fat around LAD, anterior mediastinal fat, lines seen in 40% of all lateral CXRs, if separation greater than 2 mm most likely to be consider pericardial effusion or thickening (12 Dec 1998) |
| Epstein's sign | <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) |
| Erb sign | <clinical sign> Increased electric excitability of the muscles to the galvanic current, and frequently to the faradic, in tetany. Synonym: Erb-Westphal sign. (05 Mar 2000) |
| Erb-Westphal sign | <clinical sign> Abolition of the patellar tendon reflex, in tabes and certain other diseases of the spinal cord, and occasionally also in brain disease. Synonym: Erb sign, Westphal's phenomenon, Westphal's sign, Westphal-Erb sign. (05 Mar 2000) |
| Erichsen's sign | <clinical sign> In sacroiliac disease, pain is felt when sudden pressure approximates the iliac bones; this sign is not present in hip disease. (05 Mar 2000) |
| Trousseau's sign | <clinical sign> In latent tetany, the occurrence of carpopedal spasm accompanied by paresthesia elicited when the upper arm is compressed, as by a tourniquet or a blood pressure cuff. (05 Mar 2000) |
| trumpet sign | <radiology> Enlargement of the nerve root secondary to oedema, seen in disc herniation (HNP) (12 Dec 1998) |
| Trunecek's sign | <clinical sign> Palpable impulse of the subclavian artery near the point of origin of the sternomastoid muscle in cases of aortic sclerosis. (05 Mar 2000) |