11 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine sediment Microscopic ... urine sediment by microscopy ... hematuria: - RBC casts ... #Hematuria #Differential
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... tubulointerstitial nephritis, renal ... Fatty - Nephrotic syndrome ... #Differential # ... Microscopy #Diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Cough, Dyspnea, Fever ... symptomatology Differential ... polyangiitis, Microscopic ... #Syndrome #differential
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Injury (AKI) - Differential ... at least 50% Renal ... • Hepatorenal syndromes ... Epithelial cell casts ... polyangiitis /microscopic
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... • Exercise • Fever ... • Fanconi's syndrome ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis), MPA (microscopic ... coagulopathy) • CBC w differential ... FINDINGS: • U/A: microscopic ... hematuria, RBC casts ... #Syndromes #differential
Cyclosporiasis - Diagnosis and Management Summary
Pathogen: 
 • Cyclospora cayetanensis
 • Foodborne, waterbone, and soil-transmitted.
 •
• Unsporulated cysts ... cramping, Watery diarrhea ... , Low-grade fever ... Established via stool microscopy ... management #treatment #microbiology
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
resolved after 2-3d ... Northeast Africa with cases ... Several cases have ... Syndrome: 3d of ... recurrentis #BloodSmear #microscopy
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... PR3-ANCA): • Microscopic ... Vasculitis: • Fevers ... Dx: GPA, EGPA, microscopic ... • Urinalysis (Renal
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
falciparum: Most cases ... mosquito bite Diarrhea ... tests of liver and renal ... dipstick test, microscopic ... #Travel #Differential