blackwater fever
Noun: A severe, often fatal complication of malaria infection, primarily caused by Plasmodium falciparum, characterized by massive destruction of red blood cells (hemolysis), leading to hemoglobinuria, which causes the urine to appear very dark or black, and frequently resulting in kidney failure.
The term is used specifically in medical and historical contexts to describe this acute clinical syndrome. * Diagnosis: The doctor suspected blackwater fever due to the patient's history of malaria and the presence of dark urine. * Symptom Description: A key symptom of the disease is passing blackwater, which gives the condition its name. * Historical Context: Blackwater fever was a major cause of death among colonial workers in tropical regions.
- The term can be used metaphorically in non-medical writing to describe a situation of catastrophic internal collapse or a crisis that manifests through a single, dramatic symptom.
- The company's financial blackwater fever was evident when its flagship product was suddenly recalled.
- Malarial hemoglobinuria: A more clinical synonym for blackwater fever.
- Hemoglobinuria (noun): The presence of hemoglobin in the urine, which is the defining clinical feature of blackwater fever.
- Malarial hemoglobinuria
This term has a highly specific medical meaning and is not used in a general or figurative sense in standard language. Any figurative use is an explicit literary metaphor based on its medical characteristics (sudden, severe, with a tell-tale sign).
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severe and often fatal malaria characterized by kidney damage resulting in dark urine
