10 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... • HBV HCV
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... Syndromes and Mimics - Differential ... anti-GBM) 10%: - Low Complement ... - Normal Complement ... Kumfer @AnnKumfer #Pulmonary
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... With associated pulmonary ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... HTN • Check: HBV ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Diagnosis Algorithm ... DIC, TTP, HELLP, HUS ... cardiac valve, vasculitis ... workup #hematology #testing
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Positive Coombs testing ... Mycoplasma, EBV, HIV ... younger pts) Differential ... temperatures by fixing complement
Chest Pain Diagnosis and Management Algorithm
STEMI:
 - Hx: Pressure like CP, Radiation to arm/jaw, CAD risk
and Management Algorithm ... onset, severe, tearing ... Limb ischemia Pulmonary ... caustic ingestion, HIV ... #differential
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
dysfunction, muscle wasting ... (IRIS): • In HIV ... lymphadenopathy, pulmonary ... Meningitis • Include: vasculitis ... Tuberculosis #diagnosis #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Putrid sputum/sour-tasting ... Lung Abscess Differential ... Diagnosis: • Vasculitis ... Lung #Abscess #pulmonary ... #differential #
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to heat (fires, heating ... of necrotizing vasculitis ... include: infections (HSV ... Erythemas #comparison #table ... #differential #