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Plasma renin activity (PRA), also known as the renin (active) assay or random plasma renin, is a measure of the activity of the plasma enzyme renin, which plays a major role in the body's regulation of blood pressure, thirst, and urine output. Measure of direct renin concentration (DRC) is technically more demanding, and hence PRA is used instead.
The interpretation of urinalysis takes into account the results of physical, chemical and microscopic examination and the person's overall condition. Urine test results should always be interpreted using the reference range provided by the laboratory that performed the test, or using information provided by the test strip/device manufacturer. [136]
Reference ranges for urine tests are described below: Measurement Lower limit Upper limit Unit Urinary specific gravity: 1.003 [1] [2] 1.030 [1] [2] g/mL Urobilinogen:
The metabolism of metoprolol can vary widely among patients, often as a result of hepatic impairment [9] or CYP2D6 polymorphism. [10] Metoprolol was first made in 1969, patented in 1970, and approved for medical use in 1978. [11] [12] [13] It is on the World Health Organization's List of Essential Medicines. [14] It is available as a generic ...
Urine electrolyte levels can be measured in a medical laboratory for diagnostic purposes. The urine concentrations of sodium , chlorine and potassium may be used to investigate conditions such as abnormal blood electrolyte levels, acute kidney injury , metabolic alkalosis and hypovolemia .
Irritable bowel syndrome is a chronic condition that affects the gastrointestinal tract. There is no cure for IBS but many proven treatments.
The normal number of red blood cells in urine should not usually exceed 3 per high power field. [13] A urine test strip showing positive for blood can also indicate hemoglobinuria, which is not detectable using a microscope due to the lysis of red blood cells in the urinary tract (particularly in alkaline or dilute urine), or intravascular ...
Here, doctors explain how long most vitamins last and any risks associated with taking expired vitamins. ... Show comments. Advertisement. Advertisement. Related articles. Show comments ...