🏠 Site Home

🫘 Nephrology Lectures 2025

The Skeleton Key Approach to Clinical Nephrology

An Evidence Based Approach to Contemporary Nephrology Topics

Urine Nephrology Skeleton Key graphic

Nephrology Lectures 2025

The Skeleton Key approach: five tests that unlock renal disease

BMP • Ca • Mg • PO4 • Urinalysis

🔑 The Master Skeleton Keys to Nephrology

Five Essential Tests That Unlock Almost All Renal Disease

🧪 BMP (The Original Key)

Na, K, Cl, CO2, BUN, Creatinine, Glucose

Electrolyte disorders, acid-base, kidney function

🦴 Calcium & Magnesium

Ca++, Mg++ (Essential additions to BMP)

Bone metabolism, neuromuscular function

⚡ Phosphorus

PO4 (Cellular energy & CKD-MBD)

Energy metabolism, bone-kidney axis

🔬 Urinalysis

The Ultimate Skeleton Key

Unlocks ALL renal physiology & pathology

💡 The Skeleton Key Philosophy

Just as a skeleton key opens many locks, these five tests unlock the vast majority of renal diseases. The BMP reveals electrolyte and acid-base disorders. Adding Ca, Mg, PO4 completes mineral metabolism. But the urinalysis is the ultimate key—it reveals not just what's wrong, but HOW the kidneys are responding, making it indispensable for understanding both electrolyte disorders and all of renal physiology.

🔬 Urinalysis: The Ultimate Skeleton Key

While the BMP shows WHAT is wrong, the urinalysis reveals HOW the kidneys are responding

🔍 For Electrolyte Disorders

Reveals kidney's compensatory mechanisms: concentrating ability, acid excretion, mineral handling

🧠 For Renal Physiology

Shows tubular function, glomerular integrity, collecting duct response to ADH and aldosterone

🎯 For Disease Localization

Pinpoints WHERE in the nephron disease is occurring: glomerular, tubular, or collecting duct

Key Clinical Insight:

A patient with hyponatremia and concentrated urine (Uosm >500) tells you the kidneys are WORKING to conserve water - ruling out water intoxication and pointing toward SIADH or volume depletion. The urinalysis doesn't just diagnose - it teaches you renal physiology in real time.

2025 UDPA Lecture Series

Comprehensive review for students, residents, and fellows

⚡ Electrolytes & Acid-Base

Master the skeleton keys: BMP + Ca + Mg + PO4 + Urinalysis unlock almost all renal disease

  • Master Skeleton Keys: The 5 tests that unlock nephrology
  • BMP Layout: Systematic clinical approach
  • Sodium Disorders: Hypo/Hypernatremia emergency protocols
  • Potassium: Life-threatening K+ management
  • Calcium & Magnesium: Critical mineral interactions
  • Phosphorus: Cellular energy and CKD-MBD
  • Acid-Base: Metabolic disorder interpretation
  • Urinalysis Integration: The ultimate diagnostic key
🔑 Master Keys + 13 Sub-topics

🌊 Hyponatremia Deep Dive

Comprehensive 2024 evidence-based hyponatremia management

  • RIB Therapy: 2024 standard protocol
  • Correction Science: ODS risk stratification
  • Dual System: ADH vs Aldosterone
  • Emerging Therapies: SGLT2i, Protein-Urea
  • Risk Calculator: Interactive tools
4 Sub-topics

🔬 Urinalysis Mastery

Comprehensive urinalysis interpretation from a nephrology perspective

  • Interpretation Fundamentals: Microscopy priority and systematic approach
  • Dipstick Analysis: Parameters, limitations, and timing requirements
  • Microscopic Examination: FeNa pitfalls and critical findings
  • UTI Assessment: Evidence-based evaluation and debunked tests
  • Interactive Tools: FeNa calculator with clinical context
4 Sub-modules

🚨 Acute Kidney Injury

Comprehensive 2024 KDIGO-based AKI evaluation and management

  • Emergency Recognition: Anuria protocols, life-threatening complications
  • KDIGO Staging: Complete classification with clinical implications
  • Advanced Diagnostics: Fresh urine microscopy, FST risk stratification
  • Drug Nephrotoxicity Deep Dive: Complete antibiotic, NSAID, PPI toxicity modules
  • Interactive Tools: KDIGO calculator, FST interpreter, drug risk assessment
  • Intrinsic Disease: RPGN, AIN, ATN comprehensive coverage
  • 🏃 Special Feature: Complete Rhabdomyolysis Guide with CK risk calculator
✅ LIVE - 5 Sub-modules + Rhabdo Guide

🔬 Glomerulonephritis Comprehensive

Complete nephritic and nephrotic syndrome guide with emergency RPGN protocols

  • Nephritic vs Nephrotic: Clinical differentiation and urine microscopy
  • RPGN Emergency: Type I-III classification with immediate treatment protocols
  • Serological Evaluation: Complete complement pattern tables and ANCA interpretation
  • Modern Therapies: Rituximab, gene therapy, epigenetic treatments
  • Clinical Pearls: Anti-PLA2R testing, thromboembolism risk, fresh urine protocols
  • Evidence-Based: 2024 KDIGO guidelines and latest research
✅ LIVE - Complete Guide

🔄 Chronic Kidney Disease

Comprehensive 2024 KDIGO-based CKD management and risk stratification

  • Emergency Recognition: Uremic complications, severe acidosis protocols
  • KDIGO Risk Matrix: Complete staging with monitoring frequency guidelines
  • Cardiorenal Disease: CV risk assessment and prevention strategies
  • Five Pillars Management: BP control, RAAS/SGLT2 inhibition, evidence-based nutrition
  • Complications Management: Anemia, CKD-MBD, acidosis protocols
  • Protein Restriction Rethink: 2024 evidence challenges traditional recommendations
  • Interactive Tools: Evidence-based protein calculator, risk assessment, progression tools
✅ LIVE - 4 Calculators

❤️ Cardiorenal Disease

Comprehensive heart-kidney axis pathophysiology and integrated management strategies

  • Cardiorenal Syndromes: Type 1-5 classification and acute vs chronic presentations
  • Heart Failure-CKD Nexus: Bidirectional pathophysiology and risk amplification
  • SGLT2 Inhibitors Revolution: Cardioprotective and nephroprotective mechanisms
  • RAAS Modulation: ACE-I, ARBs, MRAs optimization in dual disease
  • Diuretic Strategies: Volume management without worsening kidney function
  • Risk Stratification: Integrated CV-renal risk assessment and monitoring protocols
✅ LIVE - Complete Module

📊New! 2025 Hypertension Guidelines

Revolutionary AHA/ACC updates with PREVENT calculator and paradigm shifts

  • PREVENT Risk Calculator: Replaces Pooled Cohort Equations
  • Retired "Hypertensive Urgency": Now severe HTN without target organ damage
  • Device Therapy Integration: Formal renal denervation protocols
  • Emergency vs Severe HTN: Updated terminology and Class 3 harm recommendations
  • Special Populations: Enhanced pregnancy and cerebrovascular protocols
  • Interactive Tools: PREVENT calculator, risk stratification
✨ 12 Comprehensive Modules

💧 Edema Pathophysiology & Management

Comprehensive approach to edema evaluation and treatment strategies

  • Starling Forces: Capillary hemodynamics and fluid distribution mechanisms
  • Drug-Induced Edema: NSAIDs, CCBs, TZDs - mechanisms and frequencies
  • Bilateral vs Unilateral: Systematic differential diagnosis approach
  • Heart Failure Edema: Cardiorenal interactions and venous congestion
  • Diuretic Therapy: Loop diuretics, albumin co-administration, gut edema
  • Interactive Tools: Albumin benefit calculator and clinical protocols
✅ LIVE - Complete Module

🏥 Renal Imaging Modalities

Evidence-based imaging modalities with 2024 contrast safety updates and comprehensive imaging protocols

  • Contrast Safety Revolution: CAN vs CIN terminology, Group II GBCA liberalized guidelines
  • CT vs Ultrasound: Evidence-based performance comparison for all renal applications
  • Multiphasic Protocols: Stone protocol, contrast-enhanced, selective delayed imaging
  • Advanced Modalities: Nuclear medicine scintigraphy, MRI elastography, DECT
  • Clinical Decision Framework: When to use contrast, risk stratification
  • Interactive Tools: Contrast risk calculator with evidence-based recommendations
✅ LIVE - Complete Guide

🎯 Cysts & Masses

Comprehensive evaluation of renal masses and cystic diseases with evidence-based management protocols

  • Renal Cell Carcinoma: Advanced immunotherapy, size-based risk stratification, cryoablation protocols
  • Bosniak Classification 2019: Updated criteria reducing unnecessary interventions, <30 HU benign rule
  • ADPKD Management: Tolvaptan disease-modifying therapy, genetic testing, extrarenal screening
  • Active Surveillance: Evidence-based observation strategies for selected masses and cysts
  • Benign Masses: Angiomyolipoma conservative management, TSC considerations
  • Interactive Tools: Bosniak calculator, ADPKD risk assessment, surveillance protocols
✅ LIVE - Complete Module

🩸 Dialysis & Kidney Replacement Therapy

Comprehensive evidence-based outpatient dialysis management and ESRD care

  • Symptom-Based Initiation: IDEAL trial evidence against early dialysis start
  • Post-Dialysis K+ Trap: Critical safety protocols to prevent hyperkalemia
  • High-Volume Hemodiafiltration: Survival advantage with convection >20L
  • Peritoneal Dialysis Mastery: PET testing, CAPD vs APD optimization
  • Vascular Access Excellence: Fistula first, surveillance protocols
  • Adequacy Calculators: Interactive KT/V and URR tools
  • Evidence-Based Guidelines: 2024 KDOQI, ISPD, and ASN recommendations
✅ LIVE - Complete Module

📚 Interactive Cases

Practice clinical reasoning with 25 enhanced interactive cases organized by lecture topics

  • ✓ Organized by lecture topics
  • ✓ Multiple difficulty levels
  • ✓ Evidence-based 2025
  • ✓ 350+ integrated questions
Browse All Cases →

🧮 Tools & Calculators

Interactive clinical decision tools and evidence-based calculators

FeNa Calculator

Differentiate prerenal vs intrinsic physiology

KDIGO Stage Calculator

Stage AKI with creatinine and urine output

PREVENT Risk Calculator

2025 AHA/ACC CV risk estimation

Dialysis Adequacy

KT/V and URR dose calculators

Bosniak Calculator

Renal cyst classification support

CKD Protein & Risk Tools

Protein targets and risk aids

25 Cases & Coverage Overview

Direct links to all 25 interactive cases with their primary coverage domains

AKI
6 cases
Electrolytes/Acid-Base
7 cases
Glomerulonephritis
4 cases
CKD
2 cases
Hypertension
2 cases
Cardiorenal
3 cases
Special Topics
2 cases
Dialysis (cross-coverage)
1 case
#1
Prerenal AKI in Elderly Patient
AKI • KDIGO • Volume
#2
Drug-Induced Acute Tubular Necrosis
AKI • Drug-Induced • Aminoglycoside
#3
Acute Interstitial Nephritis
AKI • AIN • PPI
#4
Severe Hyponatremia with Seizures
Electrolytes • Hyponatremia • SIADH
#5
Life-Threatening Hyperkalemia
Electrolytes • Hyperkalemia • Cardiac
#6
Mixed Acid-Base Disorder
Acid-Base • DKA • Metabolic Alkalosis
#7
Lupus Nephritis in Young Woman
GN • SLE • Class IV
#8
Contrast-Induced Nephropathy Prevention
AKI • Contrast • Risk
#9
Outpatient Hypertension Management
HTN • PREVENT • 2025 AHA/ACC
#10
Rhabdomyolysis from CrossFit
AKI • Rhabdomyolysis • Emergency
#11
Diabetic Nephropathy Medication Optimization
CKD • SGLT2 • RAAS
#12
Tumor Lysis Syndrome
AKI • Oncologic Emergency
#13
Chronic Hyponatremia Management
Electrolytes • SIADH • Long-Term
#14
Sarcoidosis-Induced Hypercalcemia
Electrolytes • Hypercalcemia • Granulomatous
#15
Hypercalcemia of Malignancy
Electrolytes • Oncology • Emergency
#16
"Resistant Heart Failure"
GN • Membranous • Cardiorenal
#17
Right Heart Failure with Diuretic Resistance
Cardiorenal • Edema • Diuretics
#18
Hypokalemia with Metabolic Alkalosis
Electrolytes • K+ • Acid-Base
#19
Incidental Renal Mass
Special • Imaging • Bosniak
#20
Hypertension with Renal Artery Stenosis
HTN • Secondary • RAS
#21
RPGN with C-ANCA Requiring Dialysis
GN • Vasculitis • Dialysis
#22
RPGN with IgA Vasculitis
GN • IgA • Emergency
#23
CKD-MBD Management
CKD • Mineral Bone Disease
#24
ADPKD
Special • Genetic Kidney Disease
#25
ESRD Cardiorenal Disease
Cardiorenal • ESRD • Advanced
Browse Cases by Topic

📚 The Primer

An Introduction to Kidney Disease by A. Bland Nephrologist

🎯 Your Nephrology Introduction

An accessible foundation for understanding kidney medicine fundamentals

28

Foundational Chapters

11

Audio Lectures

4.6

Hours of Content

📚 Read the Primer →