| extradural haemorrhage | An accumulation of blood between the skull and the dura mater. Synonym: epidural haematoma. (05 Mar 2000) |
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| extradural | External (outside) to the dura mater. (16 Dec 1997) |
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| extradural anaesthesia | Anaesthetization, by local anaesthetics, of nerves near the spinal canal external to the dura mater; often refers to epidural anaesthesia, but may include paravertebral anaesthesia. (05 Mar 2000) |
| extradural haematorrhachis | haematorrhachis externa |
| extradural mass | <radiology> Disc, haematoma (traumatic fracture), metastasis (epidural, bony), abscess, neurofibroma, lipoma, arachnoid cyst (12 Dec 1998) |
| acute lower GI haemorrhage | <gastroenterology> Typical presentation: Sudden onset of brisk rectal bleeding without blood in gastric aspirate Diagnostic considerations: diverticulosis, angiodysplasia, ischemic colitis, inflammatory bowel disease (rarely), polyps are usually present, carcinoma causing a chronic bleed, haemorrhoids. (12 Dec 1998) |
| adrenal haemorrhage | <radiology> Neonate, right more common, 10% bilateral, birth trauma, hypoxia, septicaemia, congenital syphilis, haemorrhagic disorders (haemophilia, etc.) adult, septicaemia (Waterhouse-Friderichsen syndrome), tumour, trauma Notes: usually resolves in 4-6 weeks, adrenal insufficiency rare, even if bilateral, may calcify (12 Dec 1998) |
| arteries of cerebral haemorrhage | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| brainstem haemorrhage | Haemorrhage into the pons or mesencephalon, often secondary to brainstem distortion by transtentorial herniations due to rapidly expanding intracranial lesions. (05 Mar 2000) |
| gastric haemorrhage | Haemorrhage from the stomach. Synonym: gastric haemorrhage. Origin: Gastro-+ G. Rhegnymi, to burst forth (05 Mar 2000) |
| gastrointestinal haemorrhage | Bleeding in the gastrointestinal tract. (12 Dec 1998) |
| parenchymatous haemorrhage | Bleeding into the substance of an organ. (05 Mar 2000) |
| gingival haemorrhage | The flowing of blood from the marginal gingival area, particularly the sulcus, seen in such conditions as gingivitis, marginal periodontitis, injury, and ascorbic acid deficiency. (12 Dec 1998) |
| renal haemorrhage | Gross haematuria, the source of which is in the kidney. (05 Mar 2000) |
| vitreous haemorrhage | Haemorrhage into the vitreous body. (12 Dec 1998) |
| cerebral haemorrhage | A sudden and abrupt bleeding into the tissue of the brain. Usually occurs as the result of a weakened artery from the effects of high blood pressure and atherosclerosis. (27 Sep 1997) |