35 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• Red cell casts ... • Hyaline casts ... • Granular casts ... key #diagnosis #nephrology ... #casts
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... chronic kidney diseases ... #nephrology #interpretation
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
(<10%): fever, rash ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... AIN #Algorithm #nephrology
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Lesions) • Fifth Disease ... & Symmetrical Rash ... (Measles- like rash ... Articular - Acute ... #Orthopedics #Causes
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... are seen in acute ... 34t5DgJ #Urinary #Casts
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... 10% Crab, few cases ... , hypotension, rash ... chronic liver disease ... Diseases Fellowship
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... called "Bazin's disease ... children with acute ... observed in acute ... multiforme • Acute
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Epithelial cell casts ... polyangiitis /microscopic ... allopurinol, PPI) • Infections ... #KidneyInjury #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
basement membrane disease ... deposits - Post-infectious ... hematuria: - RBC casts ... of glomerular disease ... #urology #nephrology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... Skin Rash on Physical ... rigors, diarrhea, nausea ... - BIDMC Infectious ... Diseases Fellowship