| Cruveilhier-Baumgarten sign | <clinical sign> A murmur over the umbilicus often in the presence of caput medusae, resulting from portal hypertension, usually with hepatic cirrhosis; recanalization of the umbilical vein with reverse blood flow from the liver into the abdominal wall veins creates the murmur. (05 Mar 2000) |
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| Cullen's sign | <clinical sign> Periumbilical darkening of the skin from blood, a sign of intraperitoneal haemorrhage, especially in ruptured ectopic pregnancy. (05 Mar 2000) |
| Potain's sign | <clinical sign> In dilation of the aorta, dullness on percussion extending from the manubrium sterni toward the second intercostal space and the third costal cartilage on the right, the upper limit extending from the base of the sternum in the segment of a circle to the right. (05 Mar 2000) |
| halo sign | <radiology> Narrow, radiolucent ring surrounding breast lesion, indicates benign tumour, rare exceptions: intracystic carcinoma, papillary carcinoma, carcinoma arising in fibroadenoma (12 Dec 1998) |
| halo sign of hydrops | A discredited roentgenographic sign of foetal hydrops caused by scalp oedema so that a definite corona surrounds the skull. (05 Mar 2000) |
| hamman sign | <radiology> Crackles heard in left lateral decubitus position, indicates (+) pneumomediastinum (12 Dec 1998) |
| Hamman's sign | <clinical sign> A crunching, rasping sound, synchronous with heart beat, heard over the precordium and sometimes at a distance from the chest in mediastinal emphysema. (05 Mar 2000) |
| Saenger's sign | <clinical sign> A lost light reflex of the pupil returns after a short time in the dark, noted in cerebral syphilis but absent in tabes dorsalis. (05 Mar 2000) |
| Hegar's sign | <clinical sign> Softening and compressibility of the lower segment of the uterus in early pregnancy (about the seventh week) which, on bimanual examination, is felt by the finger in the vagina as though the neck and body of the uterus were separated, or connected by only a thin band of tissue. (05 Mar 2000) |
| Heim-Kreysig sign | <clinical sign> In adherent pericardium, an indrawing of the intercostal spaces, synchronous with the cardiac systole. Synonym: Kreysig's sign. (05 Mar 2000) |
| Helbings' sign | <clinical sign> A malalignment of the Achilles tendon associated with a valgus deformity of the os calcis. (05 Mar 2000) |
| prodromic sign | <clinical sign> A sign that appears during the prodrome of a disease. Synonym: antecedent sign. (05 Mar 2000) |
| sandwich sign | <radiology> Ultrasound: hypoechoic solid mass, around central linear hyperechoic area, CT: soft-tissue density surrounding bowel, most likely to be lymphomatous involvement of mesentery (12 Dec 1998) |
| Sansom's sign | <clinical sign> In mitral stenosis, apparent duplication of the second heart sound. (05 Mar 2000) |
| Hennebert's sign | <clinical sign> Nystagmus produced by pressure applied to a sealed external auditory canal; may be seen in labyrinthine fistula or with intact tympanic membrane in syphilitic involvement of the otic capsule. (05 Mar 2000) |