| Weiss' sign | <clinical sign> In tetany, tapping the muscles of the face causes them to go into spasm. Chvostek's sign is positive in cases of severe hypocalcaemia. (27 Sep 1997) |
|---|---|
| Weiss, Nathan | <person> Austrian physician, 1851-1883. See: Weiss' sign. (05 Mar 2000) |
| Weiss, Soma | <person> U.S. Physician, 1898-1942. See: Charcot-Weiss-Baker syndrome, Mallory-Weiss lesion, Mallory-Weiss syndrome, Mallory-Weiss tear. (05 Mar 2000) |
| Mallory-Weiss lesion | Laceration of the gastric cardia, as seen in the Mallory-Weiss syndrome. Synonym: Mallory-Weiss tear. (05 Mar 2000) |
|---|---|
| mallory-weiss syndrome | <syndrome> Mucosal gastric tear, only 10% are purely oesophageal: most are at GE junction or proximal stomach, M greater than F, associated with retching, EtOH, massive haematemesis, abdominal pain, Diagnosis: endoscopy, Treatment: IA vasopressin see: oesophageal trauma (12 Dec 1998) |
| mallory-weiss tear | Lacerations in the oesophageal mucosa that occur close to ot at the junction of the oesophagus and the stomach. Mallory-Weiss tears occur as the result of forceful vomiting or coughing. Symptoms include vomiting blood. (27 Sep 1997) |
| Charcot-Weiss-Baker syndrome | <syndrome> Stimulation of a hyperactive carotid sinus, causing a marked fall in blood pressure due to vasodilation, cardiac slowing, or both; syncope with or without convulsions or A-V block may occur. Synonym: Charcot-Weiss-Baker syndrome. (05 Mar 2000) |
| Haber-Weiss reaction | The reaction of superoxide (O2-- with hydrogen peroxide to produce molecular oxygen (O2), hydroxide radical (OH-), and OH-; often, iron catalyzed; a source of oxidative stress in blood cells and various tissues. (05 Mar 2000) |