14 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... and chronic kidney ... • RBC Casts - ... #Urine #Microscopy ... #nephrology #interpretation
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... unilateral flank pain ... WBCs, or urine ... casts, dysmorphic ... → Refer to Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Microscopic ... sediment by microscopy ... : • Flank pain ... : - RBC casts ... causes #urology #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach to Acute ... sterile pyuria, WBC ... casts, eosinophiluria ... , microscopic hematuria ... #Algorithm #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Kidney Injury ( ... e.g AEIOU ) or anuria ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs,
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... are seen in acute ... broad - Advanced kidney ... #Differential #Microscopy ... #Diagnosis #Nephrology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... Red blood cells (RBC ... • Urinary casts ... Acute Kidney Injury ... #hematuria
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - BMP, cap, CBC ... - Urinalysis/microscopy ... UOP/weights - Urine ... AcuteKidneyInjury #AKI #Nephrology
Management of Pediatric Kidney Stones
Acute Managment:
 • Pain relief: NSAIDs, opioids
 • Facilitating passage of stone:
Kidney Stones Acute ... Managment: • Pain ... Surgical Rx: • ACUTE ... , Obstruction, Anuria ... #Pediatrics #nephrology
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
Hematuria Microscopic ... RBC's, cellular casts ... ≥ 3 RBC/TIPF on ... properly collected urine ... #management #urology