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Hematuria or haematuria is defined as the presence of blood or red blood cells in the urine. [ 1 ] ". Gross hematuria" occurs when urine appears red, brown, or tea-colored due to the presence of blood. Hematuria may also be subtle and only detectable with a microscope or laboratory test. [ 2 ] Blood that enters and mixes with the urine can come ...
Hemoglobinuria. Hemoglobinuria is a condition in which the oxygen transport protein hemoglobin is found in abnormally high concentrations in the urine. [1] The condition is caused by excessive intravascular hemolysis, in which large numbers of red blood cells (RBCs) are destroyed, thereby releasing free hemoglobin into the plasma. [2]
Measurement Lower limit Upper limit Unit Urinary specific gravity: 1.003 : 1.030: g/mL Urobilinogen: 0.2: 1.0 : Ehrlich units or mg/dL : Free catecholamines, dopamine: 90 : 420 : μg/d Red blood cells (RBCs)
A urine test strip or dipstick is a basic diagnostic tool used to determine pathological changes in a patient's urine in standard urinalysis. [1] A standard urine test strip may comprise up to 10 different chemical pads or reagents which react (change color) when immersed in, and then removed from, a urine sample.
Hemolytic anemia or haemolytic anaemia is a form of anemia due to hemolysis, the abnormal breakdown of red blood cells (RBCs), either in the blood vessels (intravascular hemolysis) or elsewhere in the human body (extravascular). [2] This most commonly occurs within the spleen, but also can occur in the reticuloendothelial system or mechanically ...
Mechanical hemolytic anemia is a form of hemolytic anemia due to mechanically induced damage to red blood cells. Red blood cells, while flexible, may in some circumstances succumb to physical shear and compression. [1] This may result in hemoglobinuria. The damage is induced through repetitive mechanical motions such as prolonged marching ...
Urinalysis is one of the most commonly performed medical laboratory tests. [12] It is frequently used to help diagnose urinary tract infections [13] and to investigate other issues with the urinary system, such as incontinence. [14] It may be used to screen for diseases as part of a medical assessment.
A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system, and specimens are easy to obtain. [1] Common urine tests include the routine urinalysis, which examines the ...