hemoglobinuria
Definition
Noun: - The presence of hemoglobin in the urine: A medical condition where hemoglobin, the oxygen-carrying protein from red blood cells, is found in the urine. This typically indicates the breakdown of red blood cells (hemolysis) and the subsequent release of hemoglobin into the bloodstream, which is then filtered by the kidneys into the urine.
Usage
- As a medical diagnosis or finding: The term is used primarily in clinical and laboratory contexts to describe a symptom or test result.
- The patient's dark urine led the doctor to suspect hemoglobinuria.
- Laboratory tests confirmed the diagnosis of paroxysmal nocturnal hemoglobinuria.
Advanced Usage
- "Paroxysmal nocturnal hemoglobinuria (PNH)": A specific, rare, and serious acquired disorder of the blood characterized by the destruction of red blood cells by the complement system, leading to hemoglobinuria, especially noticeable in the morning urine.
- Treatment for paroxysmal nocturnal hemoglobinuria has advanced significantly with new therapies.
Variants and Related Words
- Hemoglobinuric (adj): Relating to or characterized by hemoglobinuria.
- The patient exhibited hemoglobinuric episodes.
Synonyms
- Haemoglobinuria: The British English spelling variant.
- No common layperson's synonym exists; it is a precise medical term. Descriptive phrases include "the presence of hemoglobin in urine" or "blood pigment in urine."
Different Meanings
This word has a single, specific medical meaning. It does not have general or figurative meanings.
Notes
- Hemoglobinuria vs. Hematuria: It is crucial to distinguish hemoglobinuria from hematuria. Hematuria means the presence of intact red blood cells in the urine, while hemoglobinuria specifically refers to the free hemoglobin protein.
- Microscopic analysis can differentiate hematuria from hemoglobinuria.
Noun
-
presence of hemoglobin in the urine
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