3 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... Anaphylaxis, Hay fever ... Antigen-antibody complex ... they activate complement ... allergy #table #classification
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... uncharacterized fevers ... (particularly complex ... seizure) #Diagnosis #Peds ... #EM #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tracts Immune Complex ... tract, and often causes ... Vasculitis: • Fevers ... against MPO • Complement ... #rheumatology #classification