Blood Urea Nitrogen
| Normal Levels 7-20mg/dL | |
| Function Evaluates Kidney Function, Assesses Hydration | |
| Special Instructions Patient should limit meat intake prior to the test |
Elevated
Renal Disease Dehydration
Urinary tract Obstruction CHF
DKA
Burns
Decreased
Liver
Damage
Overhydration
Malnutrition
Acromegaly
Creatinine
Biproduct of muscle breakdown
Normal Range: Women 0.6-0.9mg/dL Men 0.8-12mg/dL
GFR: How fast do your kidneys clean your blood?
Elevated
Ascorbic Acid
Barbiturate
Diuretics
Athletes (d/t muscle mass)
Decreased
Low muscle mass
Liver disease
Diet low in protein
Creatinine Clearance
Level in urine (mg/dL) X Volume of urine (mL/24 hours)
Level in blood X 1440