11 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... Immune mediated injury ... of glomerular hematuria ... : - RBC casts ... blood
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... proteinuria, RBC casts ... for renal biopsy ... by UW IM Residency ... #urology #blood
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
RBC’s, RBC/WBC casts ... suggest intrinsic renal ... Diagnosis #EM #IM ... #Urology #Hematuria ... #Algorithm #Ddxof
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red blood ... RBCs and/or RBC casts ... benign sediment (injury ... with polyangiitis/microscopic
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
INTRINSIC: - Glomerular ... cell casts on UA ... tubular cell casts ... or pigmented casts ... #AKI #Differential
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... osmolarity If cause ... #AKI #Workup #Algorithm ... #causes
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Kidney Injury (AKI ... Acute Kidney Injury ... at least 50% Renal ... Epithelial cell casts ... Obstruction • Cast
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
: (AKI, proteinuria ... injury), Coags ... reveals increasing blood ... , RBC casts, low ... hypercellular glomeruli
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
• Urinary casts ... used with normal renal ... Acute Kidney Injury ... (AKI) FE Na < ... leucocyte-esterase #urine #UNa #casts
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... declines > ALT) • AKI ... UA positive for blood ... + myoglobin AKI ... Cast formation: