Serum creatinine

Created by lpnmom 

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17 terms

SCR: Normal, Male:

0.6 - 1.2 mg/dL

SCR: Normal, Female:

0.5 - 1.1 mg/dL

SCR: Normal, Elderly:

- decrease in muscle mass may cause
- decrease in values

SCR critical values:

- > 4 mg/dL
- indicates serious impairment of renal funtion

SCR measures the:

amt of creatinine in the blood

Creatinine is a:

catabolic product of creatine phosphate

Creatine phosphate is used in:

skeletal muscle contraction

Daily production of creatine, ultimately creatinine depends on:

muscle mass

Creatinine is excreated soley by the:

- kidneys

Creatinine is directly measures:

renal excretory funtion

Causes for elevations in creatinine levels:

- dehydration
- glomerulonephritis
- pylonephritis
- acute tubular necrosis (ATN)
- urinary obstruction

Creatinine is slightly increased after:

- meals
- esp after large amts of meat

SCR and BUN are used to diagnose:

impaired renal funtion

Creatinine levels are affected very little by:

hepatic function

Creatinine test is used as an approximation of:

GFR (glomerular filtration rate)

Elevation in creatinine indicates:

chronicticity of disease process

Creatinine/BUN ratio: Normal:

- 6 -25
- 15.5 is optimal

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