hemoglobinuria (redirected from Paroxysmal cold hemoglobinuria)

hemoglobinuria /he·mo·glo·bin·uria/ (he?mo-glo?bi-nu´re-ah) free hemoglobin in the urine.hemoglobinu´ric

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march hemoglobinuria  that seen after prolonged exercise.

paroxysmal cold hemoglobinuria  an autoimmune or postviral disease marked by episodes of hemoglobinemia and hemoglobinuria after exposure to cold, caused by complement-dependent hemolysis due to Donath-Landsteiner antibody.

paroxysmal nocturnal hemoglobinuria  (PNH) a chronic acquired blood cell abnormality with episodes of intravascular hemolysis and venous thrombosis.

toxic hemoglobinuria  that caused by ingestion of a poison.

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he·mo·glo·bi·nu·ri·a (hm-glb-nr-)

n.

The presence of free hemoglobin in the urine.

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hemo·globi·nuric adj.

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hemoglobinuria

the presence of free hemoglobin in the urine. In true hemoglobinuria the protein has originated from erythrocytes hemolyzed within the vascular system. In false hemoglobinuria it comes from erythrocytes in the urine that have hemolyzed there, leaving red cell envelopes in the urinary sediment. In both forms the urine is colored dark red to almost black.

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bacillary hemoglobinuria

is an acute, highly fatal toxemia of cattle and sheep caused by Clostridium haemolyticum (C. novyi type D). It is characterized by hemoglobinuria, jaundice and sudden death with large, usually single infarcts in the liver.

cold hemoglobinuria

intravascular hemolysis occurs in the blood vessels in the intestinal wall immediately after the calf, rarely an adult, has drunk a large amount of very cold water after a period of deprivation. Transient hemoglobinuria may occur. See also cold anemia.

false hemoglobinuria

when lysis of erythrocytes occurs after the urine is passed.

postparturient hemoglobinuria

see postparturient hemoglobinuria.