38 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... repeat testing • Acute ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
sediment Microscopic ... sediment by microscopy ... : - RBC casts ... microscopic and ... #urology #nephrology
Waxy Casts on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#Waxy #Casts #Urine #Microscopy #clinical #nephrology
Waxy Casts on Urine ... Microscopy Dr ... TELMALEMOS10 #Waxy #Casts ... #Urine #Microscopy ... #clinical #nephrology
Lipid Casts on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#Lipid #Casts #Urine #Microscopy #clinical #fatty #nephrology
Lipid Casts on Urine ... Microscopy Dr. ... TELMALEMOS10 #Lipid #Casts ... #Urine #Microscopy ... clinical #fatty #nephrology
RBC Casts on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#RBC #Casts #Urine #Microscopy #clinical #nephrology
RBC Casts on Urine ... Microscopy Dr. ... TELMALEMOS10 #RBC #Casts ... #Urine #Microscopy ... #clinical #nephrology
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... on Urine Microscopy ... of mb granular casts ... #Urine #Microscopy ... #Clinical #Nephrology
Waxy and granular casts - brightfield urine microscopy

Dr. Telma Lemos @TELMALEMOS10

#Waxy #granular #casts #Urine #Microscopy #clinical
Waxy and granular casts ... microscopy Dr ... Waxy #granular #casts ... #Urine #Microscopy ... #clinical #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC casts ... eosinophiluria, microscopic ... hematuria, mild ... proteinuria, granular casts ... #nephrology #diagnosis
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... #Urine #Microscopy ... #nephrology #interpretation