50 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... #diagnosis
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Acute increase in ... • Hepatorenal syndromes ... Epithelial cell casts ... polyangiitis /microscopic ... #Algorithm #Causes
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... but can be seen in ... suggestive of nephrotic sydnrome ... #Urine #Microscopy ... interpretation #diagnosis
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
cases are caused ... you confirmed diagnosis ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... simplified #workup #diagnosis
Crystal cast in patient with AKI and TLS on Urine Microscopy

Randy Luciano MD, PhD @RandyLucianoMD

#TLS #Crystal
Crystal cast in ... patient with AKI ... and TLS on Urine Microscopy ... #TLS #Crystal #casts ... crystalluria #Urine #Microscopy
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
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... urine sediment Microscopic ... hematuria syndrome ... hematuria: - RBC casts ... → Diagnostic of
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... one drop on a microscope ... under lower power (casts ... iMedEducation #Urine #Microscopy ... Instructions #nephrology #diagnosis
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urinalysis/microscopy ... rhabdo/TLS) Causes ... Liano 1996) - ATN ... #Nephrology #Diagnosis ... #Algorithm #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... and Differential Diagnosis ... dipstick, urine microscopy ... osmolarity If cause ... #Workup #Algorithm