18 results
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic ... the patient have glomerular ... #Nephritic #Nephrotic ... Comparison #Algorithm #Nephrology ... #Diagnosis
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
Causes of Acute ... - Differential Diagnosis ... (ATN) • Glomerular ... : Nephrotic, Nephritic ... Interstitium (AIN
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
- Nephritic and ... RBC casts in urine ... may be in nephrotic ... #Proteinuria #Nephrology ... #Diagnosis
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Interstitial Nephritis ... sterile pyuria, WBC ... , microscopic hematuria ... #Interstitial #Nephritis ... #nephrology #diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
are seen in acute ... tubulointerstitial nephritis ... , renal tuberculosis ... Fatty - Nephrotic ... #Diagnosis #Nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular cells - Acute ... - Diagnostic of ... brown cast” - Necrotic ... protein indicating acute ... #nephrology #casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... syndrome: • Flank pain ... castsDiagnostic ... #Differential #Diagnosis ... #nephrology #renal
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
suggestive of nephrotic ... : • RBC Casts - ... glomerulonephritis • WBC ... #nephrology #interpretation ... #diagnosis
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... increase in creatinine ... polyangiitis /microscopic ... Interstitial Nephritis ... #KidneyInjury #Nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... unilateral flank pain ... • Evidence of glomerular ... for renal biopsy ... if cause not identified