43 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• Red cell casts ... • White cell casts ... infection • Hyaline casts ... disease • Granular casts ... #nephrology #casts
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
urinalysis, labs - Management ... Glomerular (red blood cells ... white blood cell casts ... renal tubular cell casts ... or pigmented casts
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red ... microscopy. ... RBCs and/or RBC casts ... #Algorithm #Causes
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... #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 ... polyangiitis /microscopic ... #Algorithm #Causes
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Negative Blood Cultures ... therapy - Number one cause ... of culture negative ... BloodCultures #Diagnosis ... #Management #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... Algorithm • Confirm ... → Urine culture ... proteinuria, RBC casts ... Nephrology if cause
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 ... polyangiitis (GPA) / microscopic ... #Algorithm #Causes
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
- Differential Diagnosis ... Algorithm Hereditary ... Peripheral blood smear ... #Differential #Diagnosis ... #Algorithm #causes
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Causes of Dysuria ... - Differential Diagnosis ... Algorithm Pyuria ... Pyelonephritis - WBC Casts ... #Algorithm #Causes