USMLE® Step 2 CK · chapter RENAL

Renal & Electrolytes: USMLE® Step 2 CK topics

19 topics. Each one opens a review page with its guideline basis and key clinical sections, then links the QuestionBank questions, ChartWalk flowchart, FlashCards and ImageBank plates that share its code.

1. Acid-base disorders and renal tubular acidosis

   RENAL-ABG-0130 questions · Review Book p. 341

2. Acute kidney injury — prerenal, intrinsic, postrenal

   RENAL-AKI-0120 questions · Review Book p. 327 · KDIGO Clinical Practice Guideline for Acute Kidney Injury (2012)

3. Calcium, magnesium and phosphate disorders

   RENAL-ELEC-0318 questions · Review Book p. 340 · Evaluation and Management of Primary Hyperparathyroidism: Summary Statement and Guidelines from the Fifth International Workshop (2022); Revised European Society of Endocrinology Clinical Practice Guideline: Treatment of Chronic Hypoparathyroidism in Adults (2025)

4. Chronic kidney disease — staging and KDIGO management

   RENAL-CKD-0130 questions · Review Book p. 332 · 2024 KDIGO CKD

5. Dialysis — indications and perioperative timing

   RENAL-DIAL-014 questions · Review Book p. 335 · KDIGO 2012 Acute Kidney Injury; KDIGO 2024 CKD

6. Drug-induced nephrotoxicity, contrast nephropathy & AIN

   RENAL-AKI-0214 questions · Review Book p. 329 · ACR Manual on Contrast Media (2026); ACR–NKF IV Contrast Consensus (2020)

7. Genitourinary oncology — prostate, bladder, kidney, testis

   RENAL-ONC-0125 questions · Review Book p. 354 · EAU Prostate, Renal Cell, Testicular + NMIBC Guidelines (2026); AUA/SUFU Microhematuria (amended 2025)

8. Hyperkalemia — ECG changes and treatment ladder

   RENAL-ELEC-018 questions · Review Book p. 337 · 2026 UKKA Hyperkalaemia Guideline; 2020 KDIGO Acute Hyperkalemia Consensus

9. Hyponatremia — volume status and SIADH workup

   RENAL-ELEC-0238 questions · Review Book p. 339 · Diagnosis, Evaluation, and Treatment of Hyponatremia: Expert Panel Recommendations (2013); Clinical practice guideline on diagnosis and treatment of hyponatraemia (ESE/ESICM/ERBP, 2014)

10. Nephritic syndrome and glomerulonephritis

    RENAL-GN-0228 questions · Review Book p. 346 · KDIGO 2021 Glomerular Diseases (general principles, infection-related GN, MPGN pattern + anti-GBM); KDIGO 2024 Lupus Nephritis + amended ANCA-Associated Vasculitis

11. Nephrolithiasis — stone types and management

    RENAL-STONE-0116 questions · Review Book p. 349 · EAU Guidelines on Urolithiasis (2026); AUA Medical Management of Kidney Stones Guideline (2026)

12. Nephrotic syndrome — causes and complications

    RENAL-GN-0129 questions · Review Book p. 344 · KDIGO 2021 Glomerular Diseases Guideline (general principles, membranous nephropathy, MCD/FSGS)

13. Other/rare renal-urologic entities

    RENAL-MISC-0110 questions · Review Book p. 357 · AUA Urotrauma Guideline (2014, amended 2020); ACR Manual on Contrast Media (2026)

14. Pediatric renal and GU anomalies

    RENAL-PEDS-0114 questions · Review Book p. 347 · 2026 AAP Pediatric UTI Guideline (8 d–5 y); 2026 EAU Paediatric Urology

15. Polycystic kidney disease & congenital anomalies

    RENAL-CYST-01Questions linked · Review Book p. 334 · KDIGO Clinical Practice Guideline for the Evaluation, Management, and Treatment of ADPKD (2025)

16. Rhabdomyolysis — diagnosis and management

    RENAL-RHAB-0111 questions · Review Book p. 331 · KDIGO Clinical Practice Guideline for Acute Kidney Injury (2012; general AKI principles); Rhabdomyolysis: an American Association for the Surgery of Trauma Critical Care Committee Clinical Consensus Document (2022)

17. Testicular torsion and scrotal pathology

    RENAL-SCROT-0111 questions · Review Book p. 356 · EAU Guidelines on Paediatric Urology (2026)

18. Urinary incontinence, retention and BPH

    RENAL-LUTS-0152 questions · Review Book p. 352 · 2026 AUA BPH/Male LUTS Guideline; 2026 EAU Non-neurogenic Male LUTS Guideline

19. Urinary tract infection and pyelonephritis

    RENAL-UTI-0120 questions · Review Book p. 350 · IDSA 2025 Guideline Update on Complicated Urinary Tract Infections; EAU Guidelines on Urological Infections (2026)

Written and clinically reviewed by TheCodexes.com (editorial policy). Guideline citations are the primary sources each topic follows.