31 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
clots ➔ Lower Urinary ... sediment Microscopic ... microscopic and ... Upper and Lower urinary ... #urology #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... • Confirm hematuria ... if cause not identified ... #Diagnosis #Algorithm
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... blood cells on urine ... microscopy. ... with polyangiitis/microscopic
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... microscopy / urinary ... calcium Optional: urinary ... osmolarity If cause ... #causes
Rouleaux in urine sediment - Urine Microscopy
Rouleaux in urine sediment. As the finding in the blood
Microscopy Rouleaux ... As the finding in ... smears, it is caused ... #sediment #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 ... (RBC casts or dysmorphic ... RBCs in urine)? ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... 100 mOsm/kg) • Primary ... Relief of prolonged urinary ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... anywhere in the urinary ... also be seen if urine ... #Microscopy #Atlas ... key #diagnosis #nephrology
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Causes of Dysuria ... Differential Diagnosis Algorithm ... Bacteriuria & Hematuria ... • Upper Urinary ... • Lower Urinary
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... of Macroscopic Hematuria ... RBC’s, RBC/WBC casts ... throughout (upper urinary ... Diagnosis #EM #IM #Urology