Product description
For rapid detection of multiple analytes in human urine. For professional in vitro diagnostic use only.
The Reactif 8SG urinalysis strips are solid plastic strips on which multiple, separated reagent fields are applied. The test is for the qualitative and semi-quantitative detection of the following analytes in urine: glucose, ketone (acetoacetic acid), specific gravity, blood, pH, protein, nitrite and leukocytes. The Reactif urinalysis strips are intended for single use at sites close to the patient (point of care) and central laboratories.
The cardboard label lists the respective analytes - compare the corresponding analyte with the fields on the colour scale. The Reactif urinalysis strips can be read optically as well as evaluated with the help of the urinalysis device and are intended for professional use only.
In the course of an illness or when the body is malfunctioning, urine undergoes many changes before the blood composition changes to a clearly recognisable extent. Urinalysis is a useful procedure as an indicator of health or disease, and as such is used in routine health screening. The Reactif urinalysis strip can be used in determining general health and helps in the diagnosis and monitoring of metabolic diseases or systemic diseases affecting kidney function, endocrine disorders and urinary tract diseases or disorders.
Blood
Blood is often found in the urine of women during menstruation. The significance of detected traces may vary depending on the patient and clinical assessment is required for these samples.
Glucose
Glucose should not be detectable in normal urine. Small amounts of glucose may be excreted by the kidney. Glucose concentrations that continuously exceed 100 mg/dL are considered abnormal.
Ketones
Ketones are not normally present in urine. Detectable ketone concentrations may occur in the urine due to physiological stress conditions such as dieting, pregnancy and exercise. During starvation or other abnormal carbohydrate metabolism, extremely high urinary ketone concentrations may occur before serum ketones are elevated.
Leukocyte
This test indicates the presence of granulocyte esterases. Normal urine samples usually give negative results. Trace results may be of questionable clinical significance. If trace results occur, it is recommended to repeat the test with a fresh sample from the same patient. Repeated trace results and positive results are of clinical significance.
Nitrite
Nitrite is not detectable in normal urine. The nitrite range is positive in some infections, depending on the time the urine remains in the bladder before collection. Positive cases found with the nitrite test range from as low as 40% in cases with little time spent in the bladder to as high as about 80% in cases with at least 4 hours of urine in the bladder.
pH value
The expected range for normal urine samples from newborns is pH 5-7. For other normal urine samples, the expected range is pH 4.5-8, with pH 6 as the average result.
Protein
Colours range from yellow to yellow-green for negative results and from green to green-blue for positive results. From a normal kidney, 1-14 mg/dL of protein can be excreted. Significant proteinuria is indicated when a colour is assigned to any colour field indicating more than trace. Clinical judgement is required to assign significance to detected traces.
Specific gravity
In the presence of an indicator, colours range from dark blue-green for urine with low ion concentration to green and yellow-green for urine with increased ion concentration. For randomly collected urine, the specific gravity can vary from 1.003-1.035 g/mL. 24-hour urine from healthy adults with normal diet and fluid intake has a specific gravity of 1.016-1.022 g/mL. In cases with severe kidney damage, the specific gravity is 1.010 g/mL, the value of the glomerulus filtrate.
