ACUTE KIDNEY INJURY (AKI)-INTRINSIC RENAL AKI INX

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SUMMARY

1. Urine is moderately concentrated with osmolality 300-350mOsm/L

2. Urine Na+ is > 20, indicating normal tubular function (and avid reabsorption of Na+ to increase glomerular pressure).

3. AKl with an FENa > 2% and muddy-brown casts (ATN), eosinophils (AIN), RBC casts (GN).


Reference(s)

Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].