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Pronunciation: met'hem-al-byu'mi-ne'me-a

Definition: The presence of methemalbumin in the circulating blood, indicative of intravascular hemolysis with rapid hemoglobin breakdown; found in some patients with blackwater fever or paroxysmal nocturnal hemoglobinuria; described as a means of differentiating severe (hemorrhagic) from mild (edematous) pancreatitis, and also has been described in other acute conditions such as strangulation obstruction of intestine and mesenteric artery occlusion.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.