13 results
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... - Differential ... Red blood cells ... • Hereditary nephritis ... and >3.5g/day (nephrotic
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
are seen in acute ... tubulointerstitial nephritis ... tuberculosis Fatty - Nephrotic ... #Differential # ... Microscopy #Diagnosis
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Interstitial Nephritis ... sterile pyuria, WBC ... , microscopic hematuria ... #Interstitial #Nephritis ... #diagnosis
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... repeat testing • Acute ... of UTI, urine WBCs ... • Evidence of glomerular ... #urology #blood
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine • 1ml blood ... castsDiagnostic ... #Diagnosis #causes ... #urology #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... Diagnosis Baseline ... dipstick, urine microscopy ... • Interstitial nephritis ... #Diagnosis #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
suggestive of nephrotic ... : • RBC Casts - ... glomerulonephritis • WBC ... #nephrology #interpretation ... #diagnosis
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
content [85].2>5 red blood ... clusters because nephritic ... #diagnosis #glomerular ... #proteinuria #nephrotic ... #syndrome #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Prerenal:
 • Due to true volume loss or decreased
(AKI) - Differential ... effective arterial blood ... damage to the glomeruli ... interstitial nephritis ... #Diagnosis #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Urinary obstruction, Nephrotoxic ... Assess UA w/ microscopy ... for WBCs, RBCs, ... KidneyInjury #simplified #workup ... #diagnosis #nephrology