9 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... unilateral flank pain ... casts, dysmorphic ... → Refer to Nephrology ... #urology #blood
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... ) • Granular Casts ... • RBC Casts - ... #Urine #Microscopy ... #nephrology #interpretation
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
sediment Microscopic ... sediment by microscopy ... casts → Diagnostic ... #urology #nephrology ... blood
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
casts, eosinophiluria ... , microscopic hematuria ... casts/RTE; blend ... sediment • Received ... #Algorithm #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... breakdown of cellular casts ... casts are seen ... 34t5DgJ #Urinary #Casts
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... microscopy / urinary ... sediment, renal ... Differential #Diagnosis #nephrology ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, ... casts, crystals
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
urine sediment ... Microscopic exam ... (RBC) ... • Urinary casts ... #UNa #casts #glucosuria
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... : UA, Urine protein ... Goodpasture's cause ... reveals increasing blood ... casts, low grade