33 results
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 ... intrinsic renal disease ... #IM #Urology #Hematuria
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
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sterile pyuria, WBC casts ... eosinophiluria, microscopic hematuria ... proteinuria, granular casts ... Nephritis #AIN #Algorithm
Causes of Hematuria - Differential Diagnosis
Renal:
 - Glomerular - IgA Nephropathy, Thin basement membrane, Alport syndrome,
Causes of Hematuria ... - Structural - Cysts ... necrosis, Sickle cell disease ... Anticoagulation, Facititious hematuria ... #Hematuria #Differential
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... RBCs and/or RBC casts ... • Thin GBM disease ... • Pauci-immune disease ... Differential #Diagnosis #Algorithm
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Glomerular Diseases ... hematuria. ... RBC casts in urine ... but in severe cases ... #Glomerular #Diseases
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... • Confirm hematuria ... proteinuria, RBC casts ... #Diagnosis #Algorithm
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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pattern includes abnormalities ... Emphysema - Lung cysts ... Honeycombing Most diseases ... TractionBronchiectasis #Cysts
Algorithm for diagnostic evaluation of patients with kidney cysts and polycystic kidney disease

#polycystic #kidney #disease #cysts
Algorithm for diagnostic ... patients with kidney cysts ... polycystic kidney disease ... polycystic #kidney #disease ... #cysts #Algorithm
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Framework Gross Hematuria ... basement membrane disease ... : - RBC casts ... of glomerular disease