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Medical Definition of Methemalbuminaemia
1. The presence of methemalbumin in the circulating blood, indicative of haemoglobin breakdown; found in some patients with blackwater fever or paroxysmal nocturnal haemoglobinuria; described as a means of differentiating severe (haemorrhagic) from mild (edematous) pancreatitis, and also has been described in other acute conditions such as strangulation obstruction of intestine and mesenteric artery occlusion. (05 Mar 2000)