10 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... urine sediment Microscopic ... hematuria: - RBC casts ... Diagnostic of GN or vasculitis ... #urine #blood
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... disease Red blood ... tubulointerstitial nephritis, renal ... Fatty - Nephrotic syndrome ... #Differential #Microscopy
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Investigations: full blood ... dipstick, urine microscopy ... Glomerulonephritis / Vasculits ... screen, including blood ... syndrome: troponin
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-dsDNA (in 70% of cases ... • Sjögren syndrome ... Vasculitis: • ... Microscopic polyangiitis ... vasculitis - MPO
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
renal abnormalities ... ): • Microscopic ... Large Vessel: Blood ... Dx: GPA, EGPA, microscopic ... (Renal involvement
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
vasculitis (AAV ... polyangiitis), MPA (microscopic ... reveals increasing blood ... FINDINGS: • U/A: microscopic ... hematuria, RBC casts
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
renal abnormalities ... pulses, bruits, or blood ... )): Microscopic ... • Behcet syndrome ... • Cogan syndrome
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
Fever After International Travel

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

Viral Syndromes:
Arboviral infections, a
renal dysfunction ... falciparum: Most cases ... renal function ... • Blood culture; ... dipstick test, microscopic
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
Whole blood alone ... Although electron microscopy ... can aid in diagnosis ... Staining Electron Microscope ... all HIGH RISK CASES