| Front | Why does the BUN:Creatinine ratio INCREASE in EARLY POST-renal azotemia? |
|---|---|
| Back | Back-pressure from obstruction "FORCES" BUN into the blood Tubular function intact --> [FENa] < 1% Urine osm > 500 mOsm/kg |
Tags: pathoma_ch.12_kidney_acute_renal_failure
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