Schwatrz's test
Schwartz's Test
Schwartz's Test (pronunciation: /ʃvɑːrts tɛst/), also known as the Schwartz Estimation of Glomerular Filtration Rate (eGFR), is a medical diagnostic procedure used to estimate the functioning of the kidneys, specifically the glomerular filtration rate. The test was named after Dr. Robert Schwartz, who developed the formula in the 1970s.
Etymology
The test is named after Dr. Robert Schwartz, a pediatric nephrologist who developed the formula to estimate the glomerular filtration rate in children. The term "glomerular filtration rate" refers to the amount of blood that the kidneys filter per minute.
Procedure
The Schwartz's Test involves a formula that uses the patient's serum creatinine level, height, and a constant to estimate the glomerular filtration rate. The formula is as follows:
eGFR = k * height (cm) / serum creatinine (mg/dL)
Where:
- eGFR is the estimated glomerular filtration rate
- k is a constant that varies with age and sex
- height is the patient's height in centimeters
- serum creatinine is the patient's serum creatinine level in milligrams per deciliter
Related Terms
- Glomerular Filtration Rate (GFR): The volume of fluid filtered from the renal (kidney) glomerular capillaries into the Bowman's capsule per unit time.
- Creatinine: A chemical waste molecule that is generated from muscle metabolism.
- Nephrology: The branch of medicine that deals with the physiology and diseases of the kidneys.
- Renal Function: The term used by healthcare professionals to refer to the state of the kidneys and how well they filter blood.
External links
- Medical encyclopedia article on Schwatrz's test
- Wikipedia's article - Schwatrz's test
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