16 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
Urine Microscopy ... “urine poker quads ... #Casts #Urine # ... Microscopy #Clinical ... #Nephrology #Sediment
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... eosinophiluria, microscopic ... tubular proteinuria, granular ... sediment • Received ... #nephrology #diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... Granular - May ... #Differential # ... Microscopy #Diagnosis ... #Nephrology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential ... Diagnosis Algorithm ... blood cells on urine ... microscopy. ... #Diagnosis #Algorithm
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... Diagnosis Algorithm ... sediment - WBC/ ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
, urine microscopy ... / urinary sediment ... • Interstitial nephritis ... Diagnosis #nephrology ... #causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... sediment Microscopic ... sediment by microscopy ... #Hematuria #Differential ... #urology #nephrology
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
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
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