52 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Algorithm • Confirm ... proteinuria, RBC casts ... → Refer to Nephrology ... to Nephrology if ... cause not identified
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Algorithm Persistent ... sediment - WBC/RBC casts ... #Proteinuria #Nephrology ... #Algorithm #Causes
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
hematuria (RBC casts ... dysmorphic RBCs in urine ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
microscopy • Red cell casts ... • White cell casts ... infection • Hyaline casts ... disease • Granular casts ... #nephrology #casts
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... PROBLEM ~80% of AKI cases ... IMPROVEMENT If the urine ... for WBCs, RBCs, casts ... #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... and Differential Diagnosis ... electrolytes, urea ... osmolarity If cause ... #nephrology #causes
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology ... #Diagnosis
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Algorithm Acute ... Epithelial cell casts ... #KidneyInjury #Nephrology ... #Algorithm #Causes
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... edgarvlermamd - Nephrology ... #Nephrology