153 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
but can be seen in ... • "Muddy Brown ... suggestive of acute ... tubular necrosis (ATN ... a variety of acute
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular cells - Acute ... from anywhere in ... = inflammation in ... renal disease • “Muddy ... protein indicating acute
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... to Acute Interstitial ... sterile pyuria, WBC casts ... MatthewHoMD #Acute ... #Algorithm #nephrology
Core IM: Pearls on Contrast-Induced Nephropathy

Definition: 
 • no slam dunk criteria 
 • definition in
• definition in ... typically increase in ... hypoxic/cytotoxic acute ... (muddy brown ... casts) • FENa
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... nonspecific; seen in ... "Muddy-brown" heme-granular ... casts are seen ... in acute tubular
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Muddy Brown Casts ... in ATN #Clinical ... MuddyBrownCasts #ATN
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... in creatinine by ... Epithelial cell casts ... Obstruction • Cast ... Differential #Diagnosis #Algorithm
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
Causes of Acute ... : • Tubules (ATN ... Interstitium (AIN ... CMC_IM #AKI #Acute ... Differential #Diagnosis #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... repeat testing • Acute ... unilateral flank pain ... proteinuria, RBC casts ... Hematuria #Diagnosis #Algorithm
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... AKI) 1) IS THIS AN ... PROBLEM ~80% of AKI cases ... for WBCs, RBCs, casts ... LorinskyMD #AKI #Acute