35 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... sediment Microscopic ... sediment by microscopy ... → Diagnostic of ... microscopic and
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 ... #Microscopy #Instructions ... #nephrology #diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... fresh at time of microscopy ... - Diagnostic of ... #Microscopy #Atlas ... #key #diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential Diagnosis ... • Fanconi's syndrome ... polyangiitis (GPA) / microscopic ... #Differential #Diagnosis
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... promoted by acidic urine ... in tumor lysis syndrome ... - Diagnostic of ... #Microscopy #Crystals
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... Casts • Hyaline ... suggestive of nephrotic sydnrome ... #Urine #Microscopy ... interpretation #diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... microscopy / urinary ... osmolarity If cause ... • Cardio-renal syndrome ... #nephrology #causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential Diagnosis ... blood cells on urine ... microscopy. ... with polyangiitis/microscopic ... #Algorithm #Causes
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... Fatty - Nephrotic syndrome ... #Differential #Microscopy ... #Diagnosis #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
are caused by prerenal ... IMPROVEMENT If the urine ... you confirmed diagnosis ... Assess UA w/ microscopy ... simplified #workup #diagnosis