14 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
: - RBC casts ... Diagnostic of GN ... Causes of Hematuria ... #urology #nephrology ... #renal #urine #
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• White cell casts ... • Hyaline casts ... disease • Granular casts ... key #diagnosis #nephrology ... #casts
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
proteinuria, RBC casts ... → Refer to Nephrology ... for renal biopsy ... cystoscopy • Refer to Nephrology ... if cause not identified
Staphylococcus-associated GlomeruloNephritis - Diagnosis and Management Summary
CLINICAL
 • Nephritic syndrome (Casts)
 • Marked proteinuria (may be
Nephritic syndrome (Casts ... • Often severe renal ... 15% macroscopic haematuria ... GlomeruloNephritis #nephrology ... #GN
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
• Urinary casts ... used with normal renal ... #Urinalysis #crystals ... #UNa #casts #glucosuria ... #hematuria
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Mesangiocapillary GN ... • Active Urine ... dysmorphic RBC, RBC casts ... Glomerulonephritis #MPGN #nephrology ... #diagnosis #renal
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
: UA, Urine protein ... Goodpasture's cause ... , RBC casts, low ... in crescentic GN ... differential #diagnosis #management
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
basement membrane; GN ... arbitrarily defined as urine ... cell/white cell casts ... Hematuria may be ... nephrotic #syndrome #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Framework and Management ... Summary Causes ... Weakness - Dark urine ... Cast formation: ... #nephrology
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
to Microscopic Hematuria ... RBC's, cellular casts ... properly collected urine ... with cystoscopy & renal ... Microscopic #diagnosis #management