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Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Urticaria and hypocomplementemia ... against MPO • Complement ... (Low levels mixed ... #rheumatology #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low ... Complement: Post-strep ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Diagnosis by Classification ... Anaphylaxis - Spinal cord ... obstruction to blood flow ... #Table #CriticalCare
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin ... Cryoglobulins (Vasculitic ... originate from a low-grade ... younger pts) Differential ... temperatures by fixing complement
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... complements and ... Skin Disease Classification ... permanent alopecia Differential ... , lymphopenia, low
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
mental status and low ... and congested (“Cold ... #diagnosis #differential ... #algorithm #management ... cardiology #treatment #table
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
monkeypox virus or to differentiate ... should use this algorithm ... risk of smallpox –low ... specimens from low ... See table below