35 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine sediment Microscopic ... urine sediment by microscopy ... deposits - Post-infectious ... microscopic and ... • Infection (Viral
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... Red blood cells ... on urine microscopy ... glomerulonephritis • Post-Infectious
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Causes of Dysuria ... Differential Diagnosis Algorithm ... Bacteriuria & Hematuria ... Urinary Tract Infection ... Urinary Tract Infection
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... of Macroscopic Hematuria ... suggests calculi/infection ... RBC’s, RBC/WBC casts ... #IM #Urology #Hematuria
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, mild ... Nephritis #AIN #Algorithm
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... fresh at time of microscopy ... - Renal infection ... Urinary tract infection ... contamination #Urine #Microscopy
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... Pseudotumor - Infectious ... Reed-Sternberg Cells ... #Causes #Hematology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... polyangiitis (GPA) / microscopic ... HSP • Post-infectious ... #Causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Differential Diagnosis Algorithm ... Infection • ... pancytopenia, blast cells ... #Causes #Hematology
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Differential Diagnosis Algorithm ... Pulmonary Vasculitis Infection ... polyangiitis / microscopic ... #Causes #Pulmonary