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🫘 Kidney & Filtration

Estimate GFR, creatinine clearance, albuminuria, and related kidney lab ratios.

GFR

Estimate adult glomerular filtration rate with the 2021 CKD-EPI creatinine equation and KDIGO GFR categories.

CKD-EPI 2021

Compare 2021 CKD-EPI creatinine eGFR with the optional creatinine-cystatin C combined equation.

Cockcroft-Gault

Estimate creatinine clearance from age, sex, weight, and serum creatinine using the 1976 Cockcroft-Gault equation.

Creatinine Clearance

Calculate measured creatinine clearance from a timed urine collection, urine creatinine, and plasma creatinine.

ACR

Convert a spot urine albumin and creatinine into an albumin-creatinine ratio and KDIGO A1 to A3 category.

BUN/Creatinine

Calculate the blood urea nitrogen to creatinine ratio and review common teaching patterns without treating the ratio as a diagnosis.

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