12 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... casts, eosinophiluria ... , microscopic hematuria ... casts/RTE; blend ... #nephrology #diagnosis
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... ) • Granular Casts ... • RBC Casts - ... #Urine #Microscopy ... #diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... casts are seen ... 34t5DgJ #Urinary #Casts ... #Diagnosis #Nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... • Hyaline casts ... disease • Granular ... #nephrology #casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... sediment Microscopic ... sediment by microscopy ... castsDiagnostic ... #nephrology #renal
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
cases are caused ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, ... casts, crystals
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... microscopy / urinary ... sediment, renal ... • Interstitial nephritis ... #nephrology #causes
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
GN • Active Urine ... Sediment (dysmorphic ... RBC, RBC casts, ... glomerulopathy, radiation nephritis ... #diagnosis #renal
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- BMP, cap, CBC ... - Urinalysis/microscopy ... UOP/weights - Urine ... #Nephrology #Diagnosis ... #Algorithm #Causes
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Acute increase in ... Epithelial cell casts ... polyangiitis /microscopic ... Acute Interstitial Nephritis ... #KidneyInjury #Nephrology