36 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... • Signs of glomerular ... RBC casts → Diagnostic ... #Differential # ... #urology #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... sterile pyuria, WBC casts ... eosinophiluria, microscopic hematuria ... proteinuria, granular casts ... AIN #Algorithm #nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... have glomerular hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Comparison #Algorithm #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI ... osmolarity If cause ... clinical context and signs ... #Diagnosis #nephrology ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... cases are caused ... IMPROVEMENT If the urine ... for WBCs, RBCs, casts ... workup #diagnosis #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• White cell casts ... infection • Hyaline casts ... disease • Granular casts ... key #diagnosis #nephrology ... #casts
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
hematuria. ... RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
) - Differential ... Epithelial cell casts ... Obstruction • Cast ... #KidneyInjury #Nephrology ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... Pain/Post-op • Neurologic ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Hyponatremia #Nephrology