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N370-03: Renal

Labs & Diagnosis pt. 1

Levels/OrderInterpretation/Indication
60 or higher Normal GFR range.
Below 60 Indicates kidney disease.
Below 15 Indicates kidney failure.
0.5-1.5 Normal creatinine level.
Creatinine _____ is measured in the BLOOD; a byproduct of MUSCLE BREAKDOWN
Increased We expect (decreased or increased) creatinine in the blood when kidneys are not adequately filtering out wastes.
Creatinine clearance ______ measures the creatinine in the URINE within a 24 hour period; this is the creatinine that was cleared from the body.
Decreased We expect (decreased or increased) creatinine clearance when less creatinine is effectively filtered out.
11-20 Normal creatinine clearance.
1.010 (diluted)-1.030 (concentrated) Normal urine specific gravity levels.
7.35-7.45 Normal pH level.
22-26 Normal bicarbonate (HCO3) level.
35-45 Normal paCO2 level.
80-100 Normal PaO2 level.
Blood Urea Nitrogen (BUN) ______ is measured in the BLOOD; the byproduct of PROTEIN BREAKDOWN (highly affected by hemodilution or hemoconcentration - "HSB")
8-25 Normal BUN level.
True T or F: BUN is elevated during hemoconcentration/FVD -> hepatic/renal impairment, dehydration, high protein diet, infection, steroid use, GI bleed
False; hemodilution/FVO T or F: BUN is decreased during hemoconcentration/FVD -> malnutrition, fluid volume excess, severe hepatic damage (dec clot factors -> thinner blood)
Increased Creatinine is (increased/decreased) ONLY w/ renal impairment.
Decreased Creatinine is (increased/decreased) with reduced muscle mass/muscle breakdown.
10:1 to 20:1 Normal BUN to Cr ratio.
Increased (Increased/Decreased) ratio means FVD or hypoperfusion.
Decreased (Increased/Decreased) ratio means FVO or malnutrition.
Increase (Increase/Decrease) in BOTH means renal impairment.
True T or F: If pt has CHRONIC renal failure managed on dialysis, normal values for them are going to be far from the usual normal -> consult with med team for the PATIENT'S NORMALS.
OK *Know urinalysis findings*
T Potassium and Calcium affect the heart's __ wave.
Peaked (hyper - up high) Hyperkalemia will cause (peaked/flat) T wave. *Inversed with hyperkalemia*
Prolonged (hypo - slow - takes so long to get there); chvostek's and trousseau's signs Hypocalcemia will cause (prolonged/fast) QT interval. *Inversed with hypercalcemia*; expect to see positive _____ .
Created by: yortiz
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