Hemoglobinuria(redirected from paroxysmal nocturnal hemoglobinuria)
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Related to paroxysmal nocturnal hemoglobinuria: Paroxysmal cold hemoglobinuria
the presence of hemoglobin in urine. It usually is a result of the intravascular decomposition of red blood cells following the transfusion of incompatible blood, the effect of some chemical and biological poisons and drugs that cannot be tolerated or of any of several causative agents of infections, extensive injuries, and so on.