8 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... on Urine Microscopy ... #Urine #Microscopy ... #Clinical #Nephrology ... #Sediment
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... sterile pyuria, WBC casts ... proteinuria, granular casts ... /RTE; blend sediment ... #nephrology #diagnosis
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... 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
Causes of Proteinuria ... sediment - WBC/ ... RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... microscopy / urinary ... sediment, renal ... investigations depending on clinical ... Differential #Diagnosis #nephrology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
sediment and color ... Microscopic exam ... • Urinary casts ... Kidney Injury (AKI ... #UNa #casts #glucosuria
Urine Microscopy - Urinary Sediment Examination Instructions
Preparation of the urine for microscopic examination:
 • Clean catch
Urine Microscopy ... Examination Instructions ... up by cells or casts ... protein matrix of casts ... #Instructions #
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Diagnosis (Clinical ... (no casts, protein ... • Urine sodium ... essential in all cases ... Syndrome #Hepatology #Nephrology