Blood Urea Nitrogen (BUN) Test: High vs. Low Levels, Normal Range - WebMD
2023年10月30日 · 6 min read. Doctors order a blood urea nitrogen (BUN) test to measure the amount of urea nitrogen in your blood. It helps them see how well your kidneys are working. A BUN test measures...
Blood urea nitrogen (BUN) test - Mayo Clinic
2023年8月5日 · A common blood test, the blood urea nitrogen (BUN) test reveals important information about how well your kidneys are working. A BUN test measures the amount of urea nitrogen that's in your blood. Here's how your body typically forms and gets rid of urea nitrogen:
Blood Urea Nitrogen (BUN): Testing, Levels & Indication - Cleveland Clinic
2022年11月29日 · The blood urea nitrogen (BUN) test measures how much urea nitrogen is in your blood. It helps a healthcare provider determine if your kidneys are working as they should. BUN levels vary according to your age and sex. Abnormal levels may indicate a health condition, including kidney damage.
Blood urea nitrogen (BUN) test for kidney disease
2024年6月6日 · Your blood urea nitrogen (BUN) level is based on a blood test that measures the amount of urea nitrogen in your blood. Urea nitrogen is a waste product that your body makes after it breaks down protein. Healthy kidneys take urea nitrogen out of your blood.
Understanding your lab values and other CKD health numbers
2023年9月5日 · Blood urea nitrogen (BUN) Urea nitrogen is a waste product in your blood that comes from the breakdown of protein in the foods you eat. It is removed from the body through the kidneys. A “normal” BUN level varies, and usually increases as you get older. Checking your BUN level is usually not very helpful by itself.
Uremia: Causes, Symptoms, Diagnosis & Treatment - Cleveland Clinic
Uremia is a dangerous condition that occurs when your kidneys don’t function well enough to filter waste products out of your blood. It’s a result of untreated kidney failure, and it develops when the levels of waste products become so high that you develop symptoms.
Urea and chronic kidney disease: the comeback of the century?
2018年1月1日 · Urea, a marker of uraemic retention in chronic kidney disease (CKD) and of adequacy of intradialytic solute removal, has traditionally been considered to be biologically inert. However, a number of recent experimental data suggest that urea is toxic at concentrations representative for CKD.
Renal Function Tests - StatPearls - NCBI Bookshelf
2024年7月27日 · The kidneys play a vital role in excreting waste products and toxins, such as urea, creatinine, and uric acid. They also regulate extracellular fluid volume, serum osmolality, and electrolyte concentrations and produce hormones such as erythropoietin, 1,25 dihydroxy vitamin D, and renin.
Uremia: Kidney Toxins and Symptoms to Not Ignore - Verywell …
2024年5月10日 · Uremia, sometimes referred to as uremic syndrome, is a dangerous condition in which your kidneys are unable to filter a waste product called urea from your blood. Urea, a primary component of urine, is normally removed from the body when you pee (urinate).
What Is the BUN (Blood Urea Nitrogen) Test? - Verywell Health
2022年5月24日 · Blood urea nitrogen (BUN) is a blood test performed as a marker of kidney function. It is part of the basic or comprehensive metabolic panel done for health screening. It is also used to monitor the progression of kidney failure. BUN is produced by the breakdown of protein and usually cleared from the blood by the kidneys.