Post-renal acute kidney injury etiology

• Bladder neck: BPH, prostate cancer, neurogenic bladder, anticholinergic meds
• Ureteral (bilateral or unilateral in single kidney): malig, LAN, retroperitoneal fibrosis, nephrolithiasis

UA, Sediment, Indices

• Bland ± non-dysmorphic RBCs, WBC, crystals