15 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sensitive) • AKI ... sterile pyuria, WBC casts ... /RTE; blend sediment ... #nephrology #diagnosis
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
on Urine Microscopy ... “urine poker quads ... #Urine #Microscopy ... #Clinical #Nephrology ... #Sediment
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... Investigations: full blood ... microscopy / urinary sediment ... investigations depending on clinical ... Differential #Diagnosis #nephrology
Rouleaux in urine sediment - Urine Microscopy
Rouleaux in urine sediment. As the finding in the blood
sediment - Urine ... sediment. ... finding in the blood ... #sediment #Microscopy ... #clinical #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... #blood #urine
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Instructions 1) ... the remaining sediment ... under lower power (casts ... #Microscopy #Instructions ... #nephrology #diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... sediment - WBC/ ... RBC casts ... sediment ... #Proteinuria #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
• 1ml blood/liter ... sediment Microscopic ... hematuria: - RBC casts ... #nephrology #renal ... #urine #blood
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Glomerulonephritis (MPGN) AKA ... GN • Active Urine ... Sediment (dysmorphic ... RBC, RBC casts, ... Glomerulonephritis #MPGN #nephrology
Urine Microscopy - Urinary Sediment Examination Instructions
Preparation of the urine for microscopic examination:
 • Clean catch
Examination Instructions ... presence of protein, blood ... esterase • Fill conical ... up by cells or casts ... protein matrix of casts