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Figure 46-1

Approach to the Pt with Azotemia !!flowchart!!

Approach to the pt with azotemia. FeNa, fractional excretion of sodium; GBM, glomerular basement membrane. (From Lin J and Denker BM: Chap. 61. Examination of Blood Smears and Bone Marrow, p. 289, HPIM-19.)