476 results
Urinary Casts in the setting of renal disease
#Clinical #Nephro #Urine #Microscopy #Casts #Comparison #Chart #ATN #AIN
Urinary Casts in ... renal disease #Clinical ... Urine #Microscopy #Casts ... Comparison #Chart #ATN ... #AIN #Pyelonephritis
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy - Casts ... Acellular Casts ... • Hyaline Casts ... tubular necrosis (ATN ... Contains yellow-tan
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 - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
: • Tubules (ATN ... Interstitium (AIN ... Differential #Diagnosis #Algorithm
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... Finely granular cast ... coarser granular cast ... better appreciated at ... Urine #Microscopy #Clinical
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... When to suspect AIN ... sterile pyuria, WBC casts ... proteinuria, granular casts ... #Algorithm #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
AKI) 1) IS THIS AN ... PROBLEM ~80% of AKI cases ... for WBCs, RBCs, casts ... etiologies due to ATN
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
C3/C4, Other • ATN ... Pigment, Protein) • AIN ... nephrology #causes #algorithm
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Liano 1996) - ATN ... CKD— 13% (mostly ATN ... Nephrology #Diagnosis #Algorithm
Intrinsic Renal Disease - Differential Diagnosis
Vascular:
 • Macrovascular: Renal artery occlusion, Fibromuscular disease
 • Microvascular: TTP/HUS,
Athero-embolic, HTN ... Ischemia-induced: ATN ... Antibiotics, NSAIDs, Cast