10 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... - Skin, glomeruli ... Urticaria and hypocomplementemia ... : - Kidneys: glomerular ... against MPO • Complement
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... ANCA-positive vasculitis ... sclerosis • Anti-Glomerular ... Disease-specific testing ... Renal #Syndrome #differential
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
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Positive Coombs testing ... post infectious setting ... younger pts) Differential ... temperatures by fixing complement
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... • Kidneys: Non-glomerular ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Diagnosis Algorithm ... Agglutination - Cold ... cardiac valve, vasculitis ... workup #hematology #testing
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... palpable purpura 2/2 vasculitis ... of PRS: Biopsy (gold ... hypercellular glomeruli ... Renal #Syndromes #differential
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
dysfunction, muscle wasting ... lymphadenopathy, pulmonary ... Meningitis • Include: vasculitis ... Children with pulmonary ... Tuberculosis #diagnosis #differential
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 ... , Dyspnea, H/O COPD ... #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Coli - P. ... Lung Abscess Differential ... Diagnosis: • Vasculitis ... Lung #Abscess #pulmonary ... #differential #