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Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... disease Differential ... against MPO • Complement
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... post infectious setting ... younger pts) Differential ... Disorders Such As ... temperatures by fixing complement
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
, Urea Breath Testing ... ⊖ on antacids, hold ... 2w before testing ... (IgG) - cannot differentiate ... 500mg TID if PCN-allergy
Weight Loss - Differential Diagnosis Algorithm
Decreased Intake:
 • GI illness (upper and lower)
 • Psychiatric (Depression,
Weight Loss - Differential ... Diagnosis Algorithm ... Psychiatric (Depression, eating ... Dementia • Anorexia as ... COPD) • Chronic