The blood urea nitrogen or BUN is a blood test that measures the amount of urea nitrogen in the bloodstream. It reflects how well your kidneys are. When a person is dehydrated, false results might be obtained as BUN levels increase when blood is concentrated. Elevated BUN levels indicate dehydration, excessive protein intake and impaired renal function. Low BUN levels indicate over hydration, liver damage and malnutrition.
Creatinine Serum creatinine levels provide a more sensitive measure of renal damage than do blood urea nitrogen levels. Creatinine is a nonprotein end product of creatinine metabolism that appears in serum and amounts proportional to the body’s muscle mass.
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How to Lower High Blood Urea Nitrogen (BUN) in Kidney Disease Blood urea nitrogen (BUN) level is used to evaluate how your kidneys are functioning.High blood urea nitrogen level may indicate kidney impairment.
Dopamine is an adrenergic and dopaminergic cardiac stimulant that is usually prescribed for heart failure. Side effects include abnormal heart rhythm, fast heart rate, chest pain, palpitations, slow heart rate, high blood pressure, narrowing of the blood vessels, difficulty in breathing, nausea, vomiting, elevated BUN (blood urea nitrogen), headache, anxiety, piloerection (erection of the hair of the skin), and gangrene of the extremities.
Testing urea levels in blood provides information about your health. This post covers the causes of high and low blood urea nitrogen (BUN) and what they may mean for you. If you would like to get a copy of our bloodwork reference guide, click here. ContentsWhat is Blood Urea Nitrogen (BUN)?BUN Blood TestsWhy is the BUN …