| reversed-three sign | On an oesophagram of a patient with coarctation of the aorta, the shape of the contrast-filled oesophagus caused by the aortic arch (upper convexity) and post-stenotic dilatation (lower convexity); the cusp of the backwards 3 is at the level of the coarctation itself. (05 Mar 2000) |
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| Gorlin's sign | <clinical sign> Unusual ease in touching the tip of the nose with the tongue; seen in Ehlers-Danlos syndrome. (05 Mar 2000) |
| Gottron's sign | <clinical sign> Gottron's patches are scaly, patchy redness over the knuckles and is seen in patients with dermatomyositis, an inflammatory muscle disorder. (see polymyositis). (20 Sep 2002) |
| Revilliod's sign | In hemiplegia, inability to voluntarily close the eye on the paralysed side except in conjunction with closure of the other eye. Synonym: Revilliod's sign. (05 Mar 2000) |
| Chaussier's sign | <clinical sign> Severe pain in the epigastrium, a prodrome of eclampsia; may be of central origin or caused by distention of the capsule of liver by haemorrhage. (05 Mar 2000) |
| Graefe's sign | <clinical sign> In Grave's disease, lag of the upper eyelid as it follows the rotation of the eyeball downward. Synonym: von Graefe's sign. (05 Mar 2000) |
| Grasset's sign | <clinical sign> Normal contraction of the sternocleidomastoid muscle on the paralysed side in cases of hemiplegia. (05 Mar 2000) |
| Grey Turner's sign | <clinical sign> Local areas of discoloration about the umbilicus and in the region of the loins, in acute haemorrhagic pancreatitis and other causes of retroperitoneal haemorrhage. (05 Mar 2000) |
| Griesinger's sign | <clinical sign> Erythema and oedema over the posterior mastoid process resulting from septic thrombosis of the mastoid emissary vein and thrombophlebitis of the sigmoid sinus. (05 Mar 2000) |
| Grisolle's sign | <clinical sign> An obsolete sign; in smallpox, the continued presence and palpability of papules when the skin is stretched. (05 Mar 2000) |
| Grocco's sign | <clinical sign> Acute dilation of the heart following a muscular effort, described in Graves' disease; also occurring in various forms of myocardiopathy, extension of the liver dullness several centimeters to the left of the midspinal line in cases of enlargement of that organ. (05 Mar 2000) |
| rigler sign | <radiology> Bowel wall outlined by air on inside and outside, indicates pneumoperitoneum (12 Dec 1998) |
| groove sign | <clinical sign> Large, hard, fixed, and extremely tender lymph nodes in the groin above and below the inguinal ligament, with a groove along the ligament; characteristic of lymphogranuloma venereum. (05 Mar 2000) |
| Ripault's sign | <clinical sign> A sign of death, consisting in a permanent change in the shape of the pupil produced by unilateral pressure on the eyeball. (05 Mar 2000) |
| Metenier's sign | <clinical sign> Easy eversion of the upper eyelid in Ehlers-Danlos syndrome. (05 Mar 2000) |