NPNs: Creatinine Flashcards
Waste product of MUSCLE METABOLISM
Creatinine
Index for OVERALL RENAL FUNCTION
Creatinine
Evaluates the completeness of 24-hr urine collection
Creatinine
Creatinine value that shows incomplete 24-hr urine collection
<0.8g
Evaluates fetal kidney maturity
Creatinine
Creatininine RV:
Male:
Female:
Male: 0.9 - 1.3 (80-115 umol/L)
Female: 0.6 - 1.1 (53-97 umo/L)
Test that provides estimates of amount of PLASMA THAT FLOWED THROUGH KIDNEY GLOMERULI PER MINUTE
Creatinine Clearance
Creatinine is freely filtered by the glomeruli but
NOT REABSORBED
Creatining Clearance specimen
Plasma
24-hr Urine
Creatinine Clearance RV:
Male:
Female:
Male: 85-125 mL/min
Female: 75-112 mL/min
Prediction equation for patients with CKD:
Cockcroft-Gault Equation
Cockcroft-Gault Equation includes Px criteria: (4)
Age
Weight
Serum Creatinine
Gender
Uses only BLOOD CREATININE and MDRD (Modification of Diet in Renal Disease)
estimate Glomerular Filtration Rate
Creatinine Test that requires correction of gender and race
eGFR
eGFR includes:
Serum Creatinine
Age
BUN
Albumin
Gender
Race
CREATININE CHEMICAL METHODS:
Rapid, Sensitive and Specific
Colorimetric, Kinetic