| DAST | drug abuse screening test; drug and alcohol screening test |
|---|---|
| DCT | direct Coombs' test; discrete cosine transform; distal convoluted tubule; diurnal cortisol test; dyn... |
| DEST | Denver Eye Screening Test; dichotic environmental sounds test |
| DPT | Demerol, Phenergan, and Thorazine; dermatopontin; dichotic pitch discrimination test; diphtheria-per... |
| DST | desensitization test; dexamethasone suppression test; dihydrostreptomycin; disproportionate septal t... |
| Dalrymple's sign | <clinical sign> Retraction of the upper eyelid in Graves' disease, causing abnormal wideness of the palpebral fissure. (05 Mar 2000) |
|---|---|
| Dance's sign | <clinical sign> A slight retraction in the neighborhood of the right iliac fossa in some cases of intussusception. (05 Mar 2000) |
| Danforth's sign | <clinical sign> Shoulder pain on inspiration, due to irritation of the diaphragm by a haemoperitoneum in ruptured ectopic pregnancy. (05 Mar 2000) |
| Darier's sign | <clinical sign> Urtication on stroking of cutaneous lesions of urticaria pigmentosa (mastocytosis). (05 Mar 2000) |
| Sumner's sign | <clinical sign> A slight increase in tonus of the abdominal muscles, an early indication of inflammation of the appendix, stone in the kidney or ureter, or a twisted pedicle of an ovarian cyst; it is detected by exceedingly gentle palpation of the right or left iliac fossa. (05 Mar 2000) |
| Dawbarn's sign | <clinical sign> Pain of subacromial bursitis disappears when the arm is abducted. (05 Mar 2000) |
| superior triangle sign | In chest radiology, widening of the superior mediastinum, usually on the right, associated with collapse of the lower lobe producing traction on the mediastinal pleura. (05 Mar 2000) |
| Dejerine's sign | <clinical sign> Aggravation of symptoms of radiculitis by the acts of coughing, sneezing, or straining to defecate. (05 Mar 2000) |
| Delbet's sign | <clinical sign> In a case of aneurysm of a main artery, efficient collateral circulation if the nutrition of the part below is well maintained, despite the fact that the pulse has disappeared. (05 Mar 2000) |
| de Musset's sign | <clinical sign> In incompetence of the aortic valve, rhythmical nodding of the head, synchronous with the heart beat. Synonym: de Musset's sign. (05 Mar 2000) |
| D'Espine's sign | <clinical sign> An obsolete sign: Bronchophony over the spinous processes heard, at a lower level than in health, in pulmonary tuberculosis, an echoed whisper following a spoken word, heard in the stethoscope placed over the seventh cervical or first or second dorsal spine, in cases of tuberculosis of the mediastinal glands. (05 Mar 2000) |
| dimple sign | <clinical sign> In dermatofibroma, dimpling elicited when the lesion is squeezed. (05 Mar 2000) |
| doll's eye sign | <clinical sign> Reflex movement of the eyes in the opposite direction to that which the head is moved, e.g., the eyes being lowered as the head is raised, and the reverse (Cantelli's sign); an indication of functional integrity of the brainstem tegmental pathways and cranial nerves involved in eye movement. Synonym: vestibular ocular reflex. (05 Mar 2000) |
| Dorendorf's sign | <clinical sign> Fullness of one supraclavicular groove in aneurysm of the aortic arch. (05 Mar 2000) |
| double bubble sign | <radiology> Gas in stomach and duodenal bulb, duodenal atresia, annular pancreas, Ladd's bands, congenital duodenal web (or diaphragm) (12 Dec 1998) |