14 results
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... Proteinuria often ... but in severe cases ... Massive proteinuria ... #Nephrology #Diagnosis
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic ... hematuria and/or proteinuria ... hematuria (RBC casts ... dysmorphic RBCs in urine ... Comparison #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 ... heme-granular casts ... 34t5DgJ #Urinary #Casts
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
glomerular bleeding (proteinuria ... , RBC casts, dysmorphic ... → Refer to Nephrology ... for renal biopsy ... if cause not identified
Lupus Nephritis - Diagnostic approach to kidney disease associated with systemic lupus erythematosus (SLE)
SLE patient develops
develops new: • Proteinuria ... urine sediment ... dysmorphic RBCs, RBC casts ... , WBC casts) especially ... algorithm #sle #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
1ml blood/liter urine ... hematuria: - RBC casts ... - Proteinuria ... #urology #nephrology ... #renal #urine #
Staphylococcus-associated GlomeruloNephritis - Diagnosis and Management Summary
CLINICAL
 • Nephritic syndrome (Casts)
 • Marked proteinuria (may be
syndrome (Casts ... ) • Marked proteinuria ... (may be nephrotic ... • Often severe renal ... GlomeruloNephritis #nephrology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
arbitrarily defined as urine ... cell/white cell casts ... urine sediment ... #nephrotic #syndrome ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
GI losses • Renal ... Cirrhosis • Nephrotic ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Hyponatremia #Nephrology