Epistemis

Acute Kidney Injury — Internal Medicine · Expert Reference

Internal Medicine · Clinical Specialties

How it begins

KDIGO definition, pathophysiology by compartment, special clinical contexts, biomarkers of tubular damage, renal replacement therapy and transition to CKD.

What it covers

  1. Definition and staging: KDIGO 2012 criteria
  2. · KDIGO 2012 diagnostic criteria
  3. · KDIGO staging — Three stages
  4. Epidemiology, mortality and global impact
  5. · Key epidemiological data
  6. · Causes of AKI according to the clinical context
  7. Etiological classification: prerenal, intrinsic and postrenal
  8. Prerenal AKI: pathophysiology and differential diagnosis
  9. · Glomerular autoregulation mechanisms and their failure
  10. · Tubular response to hypoperfusion — Urine as a mirror of hemodynamic status
  11. · Situations that distort urinary rates
  12. Acute tubular necrosis (ATN): ischemic and toxic
  13. · Pathophysiology of ischemic ATN — Evolutionary phases
  14. · Mechanisms of persistent vasoconstriction in ATN
  15. · Toxic ATN — Main agents and mechanisms
  16. Glomerular, vascular and interstitial AKI: intrinsic non-tubular AKI
  17. · Rapidly progressive glomerulonephritis (RPGN) — Glomerular AKI
  18. · Thrombotic microangiopathy (TMA) — Hemolytic vascular AKI
  19. · Cholesterol embolism — AKI in the vascular patient undergoing surgery
  20. Posrenal AKI: urinary tract obstruction
  21. · Pathophysiology of urinary obstruction
  22. AKI in sepsis: the most lethal renal syndrome
  23. · Pathophysiology of septic AKI — Beyond ischemia
  24. Hepatorenal syndrome (HRS): functional AKI in cirrhosis
  25. · Pathophysiology — The splanchnic vasodilation hypothesis
  26. · Classification and diagnostic criteria (EASL 2018)
  27. AKI due to rhabdomyolysis: diagnosis and aggressive resuscitation
  28. · Causes of rhabdomyolysis
  29. · Aggressive fluid resuscitation — The mainstay of treatment
  30. AKI in pregnancy: specific causes and management
  31. · Specific causes of AKI in pregnancy
  32. AKI in oncology: tumor lysis syndrome and other causes
  33. · Tumor lysis syndrome (TLS)
  34. Classical and functional markers of kidney function
  35. · Creatinine, urea and cystatin C
  36. Biomarkers of tubular damage: the new diagnostic generation
  37. Urinary sediment and complementary diagnostic studies
  38. · Urinary sediment as a "liquid biopsy" of the kidney
  39. Hemodynamic management and nephroprotection in AKI
  40. · Restoration and optimization of renal perfusion
  41. · General nephroprotective measures
  42. Renal replacement therapy (RRT) in AKI
  43. · TRR modalities available
  44. Indications for urgent dialysis in AKI
  45. · Absolute indications (emergency) — AEIOU Mnemonics
  46. AKI → CKD transition and clinical correlations
  47. · The AKI-to-CKD transition — An underestimated risk
  48. · Mechanisms of the AKI-to-CKD transition
  49. · Post-AKI follow-up — KDIGO recommended protocol
  50. · Problem cases: differential diagnosis of AKI

The complete study guide is in the app

This page summarizes the outline. The full interactive study guide —with high-yield diagrams, clinical tables, and board review cases— can be read inside Epistemis, completely offline and ad-free.

Subject
Internal Medicine
Category
Clinical Specialties
Type
Study Guide
Sections
50
Reviewed
2026-08-02
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