29 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... (proteinuria, RBC ... casts, dysmorphic ... #Workup #urology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine sediment Microscopic ... urine sediment by microscopy ... : - RBC casts ... microscopic and ... #urology #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC ... casts, eosinophiluria ... , microscopic hematuria ... proteinuria, granular casts ... #nephrology #diagnosis
RBC Casts on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#RBC #Casts #Urine #Microscopy #clinical #nephrology
RBC Casts on Urine ... Microscopy Dr. ... #Casts #Urine # ... Microscopy #clinical ... #nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... have glomerular hematuria ... (RBC casts or dysmorphic ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... cells on urine microscopy ... Dysmorphic RBCs and/or RBC ... casts) - Isolated
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... of Macroscopic Hematuria ... /WBC casts, proteinuria ... #IM #Urology #Hematuria ... #Differential #Algorithm
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... • RBC Casts - ... glomerulonephritis • WBC ... #Urine #Microscopy ... #nephrology #interpretation
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Differential Diagnosis Algorithm ... Leukocytes on Dipstick/Microscopy ... Bacteriuria & Hematuria ... Casts • ... Bacteriuria & No Hematuria
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... /RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology ... #Causes