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RD Labs

lab values, blood tests

QuestionAnswer
Serum Creatinine 0.6-1.4 mg/dl. Measure of Somatic Protein. A test of the balance between production of creatinine and renal filtration. More indicative of chronicity. All elevations related to diseases of the kidneys.
BUN Blood Urea Nitrogen 10-20 mg/dl. BUN:Create Ratio 10-15:1. AZOTEMIA = High Poor excretion-prostrate. Unusually high protein intake. Obstruction. Renal Disease. Diuretics. Dehydration. Low in over hydration.
TLC Total Lymphocyte Count >2700 cells per cubic mm Moderate depletion = 900-1800. Severe = < 900
CRP. C Reactive Protein Marker of acute inflammatory stress.
Serum Albumin 3.5-5.0 g/dl. Mild dep = 3-3.5. Mod dep = 2.1-3. Severe =<2.1 Visceral (intestinal) protein reserves,. Long 1/2 life/so not a measure of current status. Maintains/osmotic pressure. High in dehydration. Low in edema, protein malnutrition
Serum Transferrin > 200 mg/dl. Mild dep = 150-175. Mod dep = 100-150. Severe <100 Binds and transports Fe shorter 1/2 life: more sensitive indicator of visceral protein stores. High with iron deficiency.
PAB. Pre-albumin. Transthyretin 16-40 mg/dl. Mild dep = 12-17. Mod dep = 7-12. Severe = <7. Short 1/2 life, will pick up changes quickly. Responds rapidly to refeeding.
HCT Hematocrit M=44% W=38% Preg=33% volume of packed cells in whole blood. Determines presence and severity of anemia
HB or HGB. Hemaglobin M=14-17gm/dl W=12-15g/dl. Preg=<11 GM/dl. Iron containing pigment of RBC carries O2 to tissues and CO2 to lungs. Usually parallels HCT & RBC count. High in dehydration. Low in anemic conditions and overhydration
Serum Ferratin Best indicator of serum iron and size of iron pool. High in a plastic anemia, transfusions, megaloblastic and hemolytic anemia, iron overload, pregnancy. Low in iron deficiency.
Created by: terrimichael
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