13 results
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... tubulointerstitial nephritis ... tuberculosis Fatty - Nephrotic ... #Differential # ... Microscopy #Diagnosis
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Acute Interstitial Nephritis ... eosinophiluria, microscopic ... tubular proteinuria, granular ... #Interstitial #Nephritis ... AIN #Algorithm #nephrology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential ... blood cells on urine ... microscopy. ... • Hereditary nephritis ... and >3.5g/day (nephrotic
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic ... ) • Granular Casts ... #Urine #Microscopy ... #nephrology #interpretation
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... polyangiitis /microscopic ... Acute Interstitial Nephritis ... #AKI #Acute #KidneyInjury ... #Nephrology #Differential
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... also be seen if urine ... renal disease • Granular ... brown cast” - Necrotic ... key #diagnosis #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
, urine microscopy ... osmolarity If cause ... • Interstitial nephritis ... #Diagnosis #nephrology ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... Urinary obstruction, Nephrotoxic ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... #AKI #Acute #KidneyInjury
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Cirrhosis • Nephrotic ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Cirrhosis • Nephrotic ... Hypo-osmolar urine ... #Hyponatremia #Nephrology