11 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... #Urine #Microscopy ... #nephrology #interpretation
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
If the patient has ... hematuria (RBC casts ... dysmorphic RBCs in urine ... #Comparison #Algorithm ... #Nephrology #Diagnosis
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
• Hepatorenal syndromes ... Epithelial cell casts ... Obstruction • Cast ... polyangiitis /microscopic ... #KidneyInjury #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... microscopy / urinary ... electrolytes, urea ... Differential #Diagnosis #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... are seen in acute ... Fatty - Nephrotic syndrome ... #Differential #Microscopy ... #Diagnosis #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... • Fanconi's syndrome ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... require urgent nephrology ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, casts
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Hepatorenal Syndrome ... hepatitis, or acute ... Pathophysiology: ... (no casts, protein ... #Nephrology #Diagnosis
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - Urinalysis/microscopy ... UOP/weights - Urine ... Na/K/Cl/urea/protein ... #Diagnosis #Algorithm
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
volume contracted: urine ... postchronic hypercapnia (acute ... diuretic effect has ... furosemide-like lesion) • Gitelman ... Diagnosis #Causes #nephrology