131 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Non-specific, but can ... • "Muddy Brown ... suggestive of acute ... Non-specific; seen in ... a variety of acute
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular cells - Acute ... • White cell casts ... renal disease • “Muddy ... brown cast” - Necrotic ... protein indicating acute
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
Core IM: Pearls on Contrast-Induced Nephropathy

Definition: 
 • no slam dunk criteria 
 • definition in
• definition in ... hypoxic/cytotoxic acute ... signs of ATN (muddy ... brown casts) ... #Nephropathy #CIN
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
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
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Muddy Brown Casts ... in ATN #Clinical
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... repeat testing • Acute ... proteinuria, RBC casts ... Hematuria #Diagnosis #Algorithm
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
hematuria (RBC casts ... dysmorphic RBCs in ... Syndrome #Comparison #Algorithm
Muddy Brown Sclera: Brownish discoloration of sclera occasionally seen in African Americans. 
It is a variant
Muddy Brown Sclera ... occasionally seen in ... of normal which can ... MuddyBrown #Sclera #AA